{"title":"Best Power Amplifiers $10,000 - $15,000","description":"\u003cp\u003ePower amplifiers from $10,000 to $15,000 are statement-level components where the power supply alone can weigh more than an entire integrated amplifier. Dual-mono or fully balanced topologies, hand-selected output devices, and chassis designed to eliminate microphonic interference ensure nothing stands between the signal and the speaker. These amps don't just control difficult loads; they make difficult speakers sound easy. The listening experience is defined by unlimited headroom and a complete absence of strain, regardless of what you play or how loud you play it.\u003c\/p\u003e","products":[{"product_id":"audia-flight-fls4-stereo-power-amplifier","title":"Audia Flight FLS 4 Stereo Power Amplifier","description":"\u003cp dir=\"ltr\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe Audia Flight FLS 4 Stereo Power Amplifier brings exceptional clarity and powerful drive to discerning audio enthusiasts. Engineered with meticulous attention to response speed and output strength, the FLS4 reveals fine details and depth across any genre. Built to integrate effortlessly into high-performance setups, it offers versatile connectivity and robust speaker control, making it an essential piece for those seeking impactful, dynamic sound reproduction.\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eHigh Response Speed: \u003c\/strong\u003eFeatures a bandwidth exceeding 0.7 MHz, ensuring swift and accurate signal reproduction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003ePowerful Output: \u003c\/strong\u003eDelivers up to 700 Watts RMS, providing nearly unlimited speaker driving and control capability (380W into 4 ohms, 200W into 8 ohms).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eBespoke Aluminum Chassis: \u003c\/strong\u003eCrafted from ultra-high-grade, bespoke aluminum cast for durability and aesthetic appeal.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eAdvanced Gain Stage:\u003c\/strong\u003e Utilizes exclusive class A current-feedback circuitry, enclosed in an aluminum box and encapsulated in epoxy resin for optimal performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eExpandable Modules: \u003c\/strong\u003eSupports optional cards, including MM\/MC phono inputs, additional RCA inputs, and a high-resolution DAC module with multiple digital interfaces.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eDesign and Build\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe FLS 4 showcases meticulous craftsmanship with its ultra-high-grade, bespoke aluminum cast chassis. After CNC finishing, every part undergoes hand mirror polishing, with critical areas receiving additional hand-finishing through shot peening and anodization. This attention to detail culminates in an elegant silk-screened finish, reflecting Audia Flight's commitment to both aesthetics and durability. The robust construction not only enhances the amplifier's visual appeal but also contributes to its superior performance by minimizing vibrations and ensuring stability.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003ePerformance\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDesigned for sonic excellence, the FLS 4 delivers a frequency response from 0.3 Hz to 0.7 MHz (-3 dB), capturing a wide audio spectrum with clarity. With a total harmonic distortion (THD) of less than 0.05% and a signal-to-noise ratio (S\/N) of 110 dB, the amplifier ensures a clean and distortion-free sound output. The impressive slew-rate of over 160 V\/µs allows the FLS4 to handle rapid signal changes seamlessly, maintaining the integrity of dynamic music passages. Whether powering demanding speakers or driving multiple speaker configurations, the FLS4 provides consistent and reliable performance for an enhanced listening experience.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eTechnology\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAt the heart of the FLS 4 lies Audia Flight's advanced technology, focused on delivering superior sound quality and reliability. The amplifier features fully balanced circuitry with highly selected components and 32 high-grade power devices. Its exclusive gain stage employs class A current-feedback circuitry, housed within an aluminum enclosure and encapsulated in epoxy resin to isolate it from interference and ensure thermal stability. The main power supply is built with sixteen 18,000µF 50V low-impedance capacitors, supported by two super high-current power supplies per channel and four stabilized independent stages per channel. This robust power architecture, combined with a 2000VA toroidal audio transformer enclosed within ferromagnetic shields and epoxy resin, guarantees clean power delivery without the need for fuses, relying instead on a microprocessor-controlled current sensor for protection.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003eVersatility and Compatibility\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe FLS 4 is designed to integrate effortlessly with a wide range of audio systems. It offers multiple input and output options, including unbalanced (RCA) and balanced (XLR) connections, ensuring compatibility with turntables, CD players, DACs, and other audio sources. Users can activate or deactivate inputs and adjust gain settings by ±6 dB to tailor the amplifier to their specific equipment and listening preferences. Additionally, the plug-and-play optional modules allow for easy expansion, enabling the FLS4 to adapt to evolving audio setups without extensive modifications.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eThe Listening Room Experience\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAt The Listening Room, we take pride in offering more than just high-fidelity audio equipment. We provide expert advice, personalized service, and a commitment to helping you find the perfect sound system for your space. From delivery to custom setup, our goal is to ensure that every piece of equipment you purchase performs at its absolute best in your environment. Trust us to be your partners in the pursuit of exceptional sound.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\n\u003cspan\u003eSpecifications\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts RMS @ 8\/4\/2 Ohm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200\/380\/700W*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e29 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.41 Volts RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response (1W RMS -3 dB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3 Hz ÷ 0.7 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlew-Rate (@ 8 Ohm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 160 V\/µS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTHD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.05%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eS\/N Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDamping Factor (@ 8 Ohm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnbalanced\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.5 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBalanced\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.5 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003ePower \u0026amp; Physical\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Voltage AC (50-60Hz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100, 110-115\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStand-by Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Power Consumption (no signal)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption (200W RMS @ 8 Ohm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e840 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e450 x 180 x 440 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e34 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Dimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e575 x 280 x 545 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Audia Flight","offers":[{"title":"Silver","offer_id":41418637574240,"sku":"AFFLS4S","price":11999.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":41418978066528,"sku":"AFFLS4B","price":11999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/AudiaFlightFLS4-SilverFrontAngled.jpg?v=1730757236"},{"product_id":"audio-research-vt80se-stereo-power-amplifier","title":"Audio Research VT80SE Stereo Power Amplifier","description":"\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cspan\u003eThe Audio Research VT80SE blends classic tube character with modern conveniences, delivering 75 watts per channel from a fully balanced design. By upgrading the original VT80’s KT120 tubes to the acclaimed KT150, it extends bandwidth and tightens bass, offering an even more lifelike presentation. Whether you stream digital files or spin vinyl, the VT80SE’s auto-bias feature and protective fuses make daily operation seamless, so you can immerse yourself in its refined valve sound. make this amp an ideal fit for those who want robust performance without overcomplicating their setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eKT150 Output Tubes\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e: Enhanced power handling, lifespan, and overall sonic refinement.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eAuto-Bias Circuit\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e: Reduces manual upkeep by automatically adjusting bias for each output tube.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eFully Balanced Design\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e: Supports balanced XLR or single-ended RCA inputs, ensuring setup flexibility.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eProtective Fuses per Tube\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e: Shields the amplifier from potential damage caused by tube failure.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e75WPC Performance\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e: Delivers full-bodied sound that easily drives a wide range of speakers.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cspan\u003eDesign and Build\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003eHoused in Audio Research’s Foundation Series aesthetic, the VT80SE features an open chassis to showcase its quartet of KT150 tubes and pair of 6H30 driver valves. Sturdy steel construction underpins the amplifier, providing both mechanical stability and resonance control. Each component—from power transformers to circuit boards—is meticulously selected and hand-assembled in Minnesota, reflecting Audio Research’s five-decade legacy of careful craftsmanship.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003ePerformance\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003eOnce powered, the VT80SE offers a warm, inviting midrange, complemented by well-defined bass and gently extended highs. Listeners can expect dynamic swings to feel natural rather than forced, while subtleties like ambient cues and harmonic overtones come through with greater clarity. The high-current KT150 valves play a notable role in presenting both subtle and grand musical passages, maintaining composure even when the volume spikes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003eTechnology\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003eAt the core of the VT80SE is a fully balanced topology that preserves signal integrity from input to output, supporting balanced or single-ended sources. The auto-bias circuit continuously monitors and adjusts the bias current for each KT150, making the occasional manual bias check a relic of the past. With protective fuses for each tube, the amplifier can withstand tube anomalies without jeopardizing the rest of your gear. Meanwhile, the 6H30 driver valves ensure a precise hand-off of the input signal to the KT150s.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003eVersatility and Compatibility\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003eRated at 75 watts per channel into 8 or 4 ohms, the VT80SE comfortably accommodates various speaker types—be they compact two-way monitors or large floorstanders. Separate taps for each impedance allow you to maximize efficiency in different systems, while balanced inputs help in constructing a fully balanced chain for minimal noise. With its moderate size and user-friendly features, the VT80SE slots into many modern living spaces and audio rigs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003eThe Listening Room Experience\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003eAt The Listening Room, we take pride in offering more than just high-fidelity audio equipment. We provide expert advice, personalized service, and a commitment to helping you find the perfect sound system for your space. From delivery to custom setup, our goal is to ensure that every piece of equipment you purchase performs at its absolute best in your environment. Trust us to be your partners in the pursuit of exceptional sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 data-pm-slice=\"1 3 []\"\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h5\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75 watts per channel continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 1% at 75 watts, below 0.05% at 1 watt. (Note that actual power output is dependent upon both line voltage and ‘condition’ i.e., if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not very critical.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Bandwidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e(–3dB points) 7Hz to 60kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e(–3dB points at 1 watt) 0.7Hz to 80kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.4V RMS BAL for rated output (25dB Bal gain into 8 ohms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300K ohms Balanced, 150K ohms Single-Ended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-inverting. Balanced input pin 2+ (IEC-268)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Taps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 ohms, 4 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.0dB 8Ω load to open circuit (Damping factor ~8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Negative Feedback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlew Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 volts\/microsecond\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRise Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0 microseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel Separation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e112dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHum \u0026amp; Noise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–84dBV weighted, 8 ohms tap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal to Noise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e112dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower on\/off, auto shut-off on\/defeat, Input BAL\/SE, RS232, 12V trigger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Air Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30°C (86°F) maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply Energy Storage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 350 joules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100–125VAC 60Hz (200–250VAC 50Hz); 410 watts at rated output, 500 watts max, 230 watts idle, \u0026lt;1 watt in sleep mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubes Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 matched pairs KT150 (power output), 2× 6H30 (driver)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19\" (48.3cm) W × 10.33\" (26.2cm) H × 18.45\" (46.8cm) D to chassis, 19.40\" (49.3cm) D to terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45.7lbs (20.7kg) net; 60.5lbs (27.4kg) shipping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Audio Research","offers":[{"title":"Black","offer_id":42124817924192,"sku":"ARVT80SEBL","price":12000.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":42124817956960,"sku":"ARVT80SESI","price":12000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/AudioResearchVT80SE-BlackFrontUncovered.jpg?v=1741347306"},{"product_id":"audia-flight-fls-8-monoblock-amplifier","title":"Audia Flight FLS 8 Monoblock Amplifier","description":"\u003cp class=\"p1\"\u003eThe Audia Flight FLS8 Monoblock Amplifier delivers serious power, speed, and musical control. Inspired by the acclaimed Strumento Series, the FLS8 was developed with the same obsessive attention to signal integrity and craftsmanship. It produces up to 1500 watts into 2 ohms and offers the kind of current delivery and stability needed to bring even the most demanding loudspeakers to life.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBuilt entirely in Italy, the FLS8 reflects Audia Flight’s belief that the finest electronics require both engineering precision and human listening. Every circuit choice, every material selection, and every layout decision was made not only for measurement but for sound. From the Class A current-feedback gain stage to the twelve individual power supplies inside, the FLS8 is designed to disappear into the system and reveal the full emotional impact of your music.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eIt is fast, dynamic, uncolored, and completely unflappable.\u003c\/p\u003e\n\u003ch5 class=\"p3\"\u003eKey Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\n\u003cstrong\u003eFully discrete monoblock amplifier\u003c\/strong\u003e with 400W into 8 ohms, 800W into 4 ohms, and up to 1500W into 2 ohms\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cstrong\u003eClass A current-feedback gain stage\u003c\/strong\u003e for tonal accuracy and dynamic stability\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cstrong\u003eDual high-current power rails\u003c\/strong\u003e per channel with ultra-low impedance capacitor banks\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cstrong\u003e32 high-quality output devices\u003c\/strong\u003e for current delivery\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cstrong\u003e2000VA toroidal transformer\u003c\/strong\u003e sealed in epoxy and shielded with dual ferromagnetic enclosures\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cstrong\u003eTwelve separate power supply sections\u003c\/strong\u003e with four stabilized regulators per channel\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cstrong\u003eNo fuses in the output stage\u003c\/strong\u003e, replaced by microprocessor-controlled current sensing\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cstrong\u003eEpoxy-encased gain stage\u003c\/strong\u003e isolated in its own aluminum housing\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cstrong\u003eCustom aluminum chassis\u003c\/strong\u003e, CNC machined, mirror polished, shot peened, and anodized\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cstrong\u003eHandcrafted in Italy\u003c\/strong\u003e using hand-selected components and in-house assembly\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"p3\"\u003eRefined Strength, Designed for Real Speakers\u003c\/h5\u003e\n\u003cp class=\"p1\"\u003eFrom the outset, the FLS8 was built to drive real-world loudspeakers without hesitation. Its power supply begins with a 2000VA toroidal transformer that is enclosed in epoxy resin and isolated with ferromagnetic shielding. This transformer feeds a massive reservoir of 128,000μF across low-impedance capacitors, enabling clean and immediate power delivery across the frequency spectrum.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eRather than relying on traditional fuses, which can introduce resistance and affect dynamics, the FLS8 uses a microprocessor-controlled current sensor that protects the output stage while preserving sonic transparency. The result is an amplifier that reacts quickly, remains linear under load, and handles large musical swings without strain or coloration.\u003c\/p\u003e\n\u003ch5 class=\"p3\"\u003eClass A Honesty and System Synergy\u003c\/h5\u003e\n\u003cp class=\"p1\"\u003eThe gain stage operates entirely in Class A using a current-feedback topology. It is housed in a precision-machined aluminum enclosure and encapsulated in epoxy to maintain thermal consistency and shield it from vibration and electrical interference. The design provides wide bandwidth, fast transient response, and a level of low-level resolution that allows fine textures and timing to emerge naturally.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eEach channel includes two ultra high-current power supplies and four independent stabilized power stages. Altogether, there are twelve separate power supplies within each amplifier. Ground paths are routed via ultra-pure copper bus bars and all signal boards use high-grade surface copper for minimal resistance and maximum stability.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eFrom the first note, the FLS8 delivers sound with authority and poise. Bass is tight and controlled. Midrange textures bloom without haze. High frequencies extend without harshness. It is the kind of amplifier that invites longer listening sessions and never calls attention to itself.\u003c\/p\u003e\n\u003ch5 class=\"p3\"\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp class=\"p1\"\u003eThe Listening Room is a third-generation, family-owned hi-fi shop located in Chestertown, Maryland. We run a real showroom with real inventory and a long-standing commitment to helping people build systems that truly sing. Our mission has always been to go beyond the gear and create long-term relationships built on trust, knowledge, and care.\u003c\/p\u003e\n\u003ch5 class=\"p3\"\u003eSpecifications\u003cb\u003e\u003c\/b\u003e\n\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power (RMS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400W @ 8 ohms, 800W @ 4 ohms, 1500W @ 2 ohms (measured without current limitation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e29 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.65V RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response (–3 dB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3 Hz to 600 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlew Rate (8 ohms)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreater than 160 V\/μs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Harmonic Distortion (THD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than 0.05%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal-to-Noise Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.5 kOhms (Balanced and Unbalanced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDamping Factor (8 ohms)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreater than 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Mains Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100, 110–115 (50–60Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than 1W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e450 x 180 x 440 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e34 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Dimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e575 x 310 x 545 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver or Black anodized aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Italy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Audia Flight","offers":[{"title":"Silver","offer_id":41772915720288,"sku":"AFFLS8SI","price":11999.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":41772915753056,"sku":"AFFLS8BL","price":11999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/AudiaFlightFLS8MonoblockAmplifierFrontview.jpg?v=1763120298"},{"product_id":"rogue-audio-m-180-monoblocks-per-pair","title":"Rogue Audio M-180 Monoblocks","description":"\u003cp\u003eFour KT120 tubes per chassis, 180 watts in ultralinear, and circuit topology pulled straight from Rogue's discontinued Apollo flagships. The \u003cstrong\u003eRogue Audio M-180 Monoblocks\u003c\/strong\u003e earned Stereophile Class A Recommended Component status for good reason: switchable triode\/ultralinear operation, balanced XLR and RCA inputs, ultra-wide bandwidth output transformers, and a dedicated high-capacity power supply per monoblock. Handcrafted in Brodheadsville, Pennsylvania, these are the most capable pure tube amplifiers Rogue makes.\u003c\/p\u003e\n\n\u003ch5\u003eKey Features of the M-180 Monoblocks\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e180 Watts Per Channel:\u003c\/strong\u003e Four KT120 output tubes per monoblock deliver 180W in ultralinear mode, with switchable triode operation for tonal flexibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApollo-Derived Circuit Topology:\u003c\/strong\u003e The M-180's gain stage and output stage are derived directly from Rogue's discontinued flagship Apollo amplifiers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced XLR and Single-Ended RCA Inputs:\u003c\/strong\u003e True balanced connectivity with heavy-duty gold-plated XLR and RCA connectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Wide Bandwidth Output Transformers:\u003c\/strong\u003e Custom-wound transformers with 5Hz to 50kHz (±1dB) frequency response, mechanically isolated from the chassis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriode\/Ultralinear Switching:\u003c\/strong\u003e External switch toggles between 180W ultralinear mode and lower-power triode mode without powering down\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Bias Meter:\u003c\/strong\u003e Integral bias meter per monoblock for quick, accurate tube biasing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Ohm and 8-Ohm Output Taps:\u003c\/strong\u003e Selectable impedance matching for optimal power transfer to any loudspeaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStereophile Class A Recommended Component:\u003c\/strong\u003e Recognized among the finest amplifiers regardless of price\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandcrafted in the USA:\u003c\/strong\u003e Designed and built in Brodheadsville, Pennsylvania, with every unit tested, burned in, and auditioned\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eApollo-Derived Tube Architecture\u003c\/h5\u003e\n\u003cp\u003eThe M-180's circuit topology descends directly from Rogue's flagship Apollo amplifiers, which established the company's reputation at the highest end of tube amplifier design. Each monoblock employs four KT120 output tubes in a push-pull configuration, driven by two 12AU7 and one 12AX7 in the gain and phase-splitter stages. The KT120 is a modern beam tetrode with exceptional plate dissipation and linear characteristics, capable of sustained high-power operation with service life typically reaching 3,000 to 5,000 hours. The entire signal path is built on Rogue's signature heavy 2-ounce copper circuit board with precision components and short signal paths, minimizing parasitic effects and keeping the noise floor well below the music.\u003c\/p\u003e\n\n\u003ch5\u003eTriode and Ultralinear Operation\u003c\/h5\u003e\n\u003cp\u003eAn external switch on each M-180 toggles between ultralinear mode (180 watts, maximum dynamic headroom) and triode mode (reduced power, smoother harmonic structure). Unlike many tube amplifiers that require powering down to change modes, the M-180's switch operates during playback, letting you match the amplifier's character to the music in real time. Ultralinear mode delivers the full authority the M-180 is capable of, with tight bass control and explosive dynamics. Triode mode shifts the emphasis toward midrange liquidity and spatial depth, making it a natural choice for acoustic recordings, vocals, and late-night listening at lower levels.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/m180_inline_silver_front.jpg?v=1774405527\" alt=\"Rogue Audio M-180 monoblock silver finish showing machined aluminum faceplate and tube cage\" style=\"display: block; margin-left: auto; margin-right: auto; border-radius: 15px; max-width: 100%; width: 938px;\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\n\u003ch5\u003ePower Supply and Output Transformers\u003c\/h5\u003e\n\u003cp\u003eEach M-180 monoblock contains a massive high-capacity power supply dedicated entirely to its own output stage, with no power sharing between channels. The energy reserves in each supply are designed to handle sustained low-frequency demands without voltage sag, keeping the output stage in its linear operating region even during the most punishing bass passages. The ultra-wide bandwidth output transformers are custom wound to achieve frequency response from 5Hz to 50kHz (±1dB), well beyond the audible range, ensuring phase accuracy and transient response that approaches the best solid-state designs. These transformers are mechanically isolated from the chassis to prevent vibration from coupling into the signal path.\u003c\/p\u003e\n\n\u003ch5\u003eBalanced Connectivity\u003c\/h5\u003e\n\u003cp\u003eEach M-180 accepts both balanced (XLR) and single-ended (RCA) connections with heavy-duty gold-plated connectors. The balanced inputs make the M-180 particularly well-suited to monoblock placement near speakers, where long interconnect runs between preamplifier and amplifier benefit from balanced cable's common-mode noise rejection. This setup also allows you to use shorter, higher-quality speaker cables while running longer, less expensive XLR interconnects from your preamp. The RP-7 v2 and RP-9 v2 preamplifiers both offer balanced outputs for a fully balanced Rogue signal path.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/m180_inline_rear_panel.jpg?v=1774405523\" alt=\"Rogue Audio M-180 monoblock rear panel showing KT120 output tubes, XLR and RCA inputs, and speaker binding posts\" style=\"display: block; margin-left: auto; margin-right: auto; border-radius: 15px; max-width: 100%; width: 938px;\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\n\u003ch5\u003e\"Dark\" Version\u003c\/h5\u003e\n\u003cp\u003eThe M-180 Dark ($9,495\/pair) applies Rogue's most comprehensive upgrade package to the already well-specified standard amplifier:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Power Supply:\u003c\/strong\u003e 33% larger power supply with Hex Fred high-speed diodes and polypropylene bypass capacitors for increased energy storage and faster recovery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Coupling Capacitors:\u003c\/strong\u003e Ultra-premium coupling capacitors in the signal path for maximum transparency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgraded Tube Complement:\u003c\/strong\u003e Premium matched octets of KT120 output tubes and upgraded small-signal tubes from Psvane, Telefunken, or RCA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardas Rhodium Connections:\u003c\/strong\u003e Heavy-duty gold-plated XLR and RCA inputs with Rhodium binding posts from Cardas Audio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNude Vishay Resistors:\u003c\/strong\u003e Precision resistors in critical input stages for lower noise and greater signal purity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 33% power supply increase in the Dark version is the largest of any Rogue Dark upgrade, reflecting the M-180's higher power demands and the benefits of additional energy reserves at this performance level.\u003c\/p\u003e\n\n\u003ch5\u003eExplore the Full Rogue Audio Power Amplifier Lineup\u003c\/h5\u003e\n\u003cp\u003eThe M-180 Monoblocks are Rogue's flagship pure tube power amplifiers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/rogue-audio-stereo-100-amplifier\"\u003eStereo 100\u003c\/a\u003e\u003c\/strong\u003e - 100W pure tube stereo with Mundorf EVO Oil caps and ultra-wide bandwidth transformers. If you want Rogue's tube quality in a single chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/rogue-audio-atlas-magnum-iii-power-amplifier\"\u003eAtlas Magnum III\u003c\/a\u003e\u003c\/strong\u003e - 100W pure tube stereo at Rogue's most accessible price point. Same KT120 output tubes, same triode\/ultralinear flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/rogue-audio-dragon-monoblock-amplifiers-pair\"\u003eDragoN Monoblocks\u003c\/a\u003e\u003c\/strong\u003e - 325W hybrid monoblocks with tubeD circuit and Hypex N-Core output. More power, zero maintenance, different sonic character.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003ePairing with a Rogue Preamplifier\u003c\/h5\u003e\n\u003cp\u003eAt the M-180's level, the preamplifier determines the system's character. The \u003ca href=\"\/products\/rogue-audio-rp-7-v2-preamplifier\"\u003eRP-7 v2\u003c\/a\u003e offers balanced outputs and a tube-regulated power supply that matches the M-180's performance tier, while the flagship \u003ca href=\"\/products\/rogue-audio-rp-9-v2-preamplifier\"\u003eRP-9 v2\u003c\/a\u003e extracts maximum resolution with its dual-mono topology and premium components. Both preamplifiers use 12AU7 tubes, keeping your tube inventory consistent across the system.\u003c\/p\u003e\n\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eWe're a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on exceptional service and relentless passion for hifi. At this level, every detail matters, and we're here to make sure you get it right. Whether you need help with system matching, setup guidance, or just want to talk through your options before pulling the trigger, owner Mike Hoatson is a phone call away. We don't just ship boxes. We help build systems, and our support lasts well beyond the sale.\u003c\/p\u003e\n\n\u003ch5\u003eM-180 Monoblock Specifications\u003c\/h5\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 16px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: #f5f5f5; padding: 10px 12px; font-weight: bold; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePerformance (Per Monoblock)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e180 WPC (ultralinear), triode mode available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eAmplifier Topology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003ePush-pull tube, ultralinear\/triode switchable (Apollo-derived)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e5Hz - 50kHz ±1dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eTHD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e\u0026lt;0.1% typical, \u0026lt;1.0% at rated power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eInput Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e1.0V RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e200K ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eTube Complement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e4 x KT120, 2 x 12AU7, 1 x 12AX7 per monoblock (matched octets)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: #f5f5f5; padding: 10px 12px; font-weight: bold; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eConnections (Per Monoblock)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eBalanced XLR + single-ended RCA (heavy-duty gold-plated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eSpeaker Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eHeavy-duty gold-plated binding posts (4-ohm and 8-ohm taps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eBiasing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eUser-adjustable with integral bias meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: #f5f5f5; padding: 10px 12px; font-weight: bold; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePower (Per Monoblock)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eMassive high-capacity linear with mechanically isolated transformers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e120\/240V - 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: #f5f5f5; padding: 10px 12px; font-weight: bold; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eOutput Transformers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eUltra-wide bandwidth, custom wound, mechanically isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eCircuit Board\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eHeavy (2 oz) copper with precision components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eFaceplate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e1\/2\" machined and engraved aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eTube Cage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eWelded-wire cage (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: #f5f5f5; padding: 10px 12px; font-weight: bold; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePhysical (Per Monoblock)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e14.5\" W x 19\" D x 7\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e55 lbs each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e3 years (6 months on tubes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; width: 34%;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eDesigned and handcrafted in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Rogue Audio","offers":[{"title":"Silver \/ Single \/ Standard","offer_id":41822109597792,"sku":"RAM180SISingle","price":3997.5,"currency_code":"USD","in_stock":true},{"title":"Black \/ Single \/ Standard","offer_id":41822109630560,"sku":"RAM180BLSingle","price":3997.5,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Pair \/ Standard","offer_id":42192214065248,"sku":"RAM180SIPair","price":7995.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Triplet \/ Standard","offer_id":42192214098016,"sku":"RAM180SITriplet","price":11992.5,"currency_code":"USD","in_stock":true},{"title":"Black \/ Pair \/ Standard","offer_id":42192214130784,"sku":"RAM180BLPair","price":7995.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Triplet \/ Standard","offer_id":42192214163552,"sku":"RAM180BLTriplet","price":11992.5,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Single \/ Dark","offer_id":42192230744160,"sku":"RAM180SISingleDark","price":4747.5,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Pair \/ Dark","offer_id":42192230776928,"sku":"RAM180SIPairDark","price":9495.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Triplet \/ Dark","offer_id":42192230809696,"sku":"RAM180SITripletDark","price":14242.5,"currency_code":"USD","in_stock":true},{"title":"Black \/ Single \/ Dark","offer_id":42192230842464,"sku":"RAM180BLSingleDark","price":4747.5,"currency_code":"USD","in_stock":true},{"title":"Black \/ Pair \/ Dark","offer_id":42192230875232,"sku":"RAM180BLPairDark","price":9495.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Triplet \/ Dark","offer_id":42192230908000,"sku":"RAM180BLTripletDark","price":14242.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/M-180monoblocksperpair.jpg?v=1746036030"},{"product_id":"audio-research-s-200-stereo-power-amplifier","title":"Audio Research S-200 Stereo Power Amplifier","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003eThe Audio Research S-200 is a 200-watt-per-channel (8 ohms) stereo power amplifier that continues ARC’s next-generation solid-state design work. Building on the circuit architecture of the \u003ca title=\"Audio Research S-100 Amplifier Full listing\" href=\"\/collections\/audio-research\/products\/audio-research-s-100-power-amplifier\"\u003eS-100\u003c\/a\u003e, the S-200 raises the bar with upgraded power supplies, a reinforced output stage, and higher dynamic headroom for more demanding loudspeakers. With deeper control, greater slam, and unmistakable ARC musicality, it delivers authoritative sound with precision and grace. This is power with soul, designed for serious listeners who expect more from their system.\u003c\/p\u003e\n\u003ch5\u003eAudio Research S-200 Key Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Power:\u003c\/strong\u003e 200 WPC into 8 ohms, 400 WPC into 4 ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Path:\u003c\/strong\u003e Differential JFET input stage, bipolar transistor voltage and output stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTopology:\u003c\/strong\u003e Fully balanced from input to output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Select:\u003c\/strong\u003e Rear-panel switchable between balanced XLR and single-ended RCA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Panel:\u003c\/strong\u003e White-on-black dual power meters inspired by ARC Reference Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis:\u003c\/strong\u003e New low-profile case with custom-machined heatsinks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign Philosophy:\u003c\/strong\u003e Solid-state circuit voiced for ARC’s classic musical presentation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e Hand-built in Minnesota, USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eNext-Level Power for Demanding Systems\u003c\/h5\u003e\n\u003cp\u003eFrom the first moment, the S-200 asserts its place with headroom and control to spare. Rated at 200 watts into 8 ohms and doubling into 4 ohms, it easily drives difficult loudspeakers while preserving low-level detail and harmonic texture. The upgraded power supply and revised output stage give it a sense of composure under load, even at high playback levels. You’ll hear the full scale of orchestral peaks, rock dynamics, or live jazz immediacy with no sense of strain—just music flowing effortlessly.\u003c\/p\u003e\n\u003ch5\u003eRefined Circuitry, Balanced Design\u003c\/h5\u003e\n\u003cp\u003eLike the S-100, the S-200 begins with a differential JFET input stage, chosen for its low distortion and wide bandwidth. The fully balanced signal path extends through bipolar voltage and output stages operating in Class AB, resulting in tonal purity and dynamic precision. Balanced and single-ended inputs are both supported via rear-panel selector, giving you flexibility without compromise. Whether paired with ARC’s LS-2 preamp or other high-end gear, the S-200 ensures signal integrity from input to speaker terminal.\u003c\/p\u003e\n\u003ch5\u003eYes, the S-200 has Sexy Meters\u003c\/h5\u003e\n\u003cp\u003eThe S-200 debuts a new front panel layout with clean white-on-black ARC-style meters for a visual cue of the amplifier’s dynamic output. The low-profile chassis is flanked by large, custom-machined heatsinks for thermal stability and aesthetic impact. Each unit is assembled by hand in Audio Research’s Minnesota facility, part of a continuing legacy of American high-fidelity craftsmanship. Every design decision reflects ARC’s commitment to sonic transparency, reliability, and a musical connection that lasts for decades.\u003c\/p\u003e\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eThe Listening Room is a third-generation, family-run hi-fi shop where you’ll often deal directly with Mike Hoatson. We don’t just stock ARC products—we install them, set them up, and stand behind every recommendation. Our nationwide customers get more than a box on their doorstep. They get real advice, expert matching, and white-glove service from people who care about the music as much as they do.\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200 WPC into 8 ohms, 400 WPC into 4 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDifferential JFET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\/Output Stages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBipolar transistor-based, Class AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBalanced XLR, Single-ended RCA (switchable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Topology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFully balanced from input to output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFront Panel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual white-on-black power meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChassis Design\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow-profile case with custom-machined heatsinks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHand-built in Minnesota, USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLaunch Year\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2025 (55th Anniversary Series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Audio Research","offers":[{"title":"Silver","offer_id":42305250459744,"sku":"ARS200SI","price":12950.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":42305250426976,"sku":"ARS200BL","price":12950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/AudioResearchS-200PowerAmplifier.jpg?v=1758199479"},{"product_id":"kora-ta-240-class-ab-stereo-amplifier","title":"Kora TA 240 Class AB Stereo Amplifier","description":"\u003cp\u003eThe Kora TA240 is a Class AB stereo amplifier delivering 2 × 120 W into 8 Ω and 2 × 200 W into 4 Ω, powered by Kora’s proprietary SquareTube® technology. Each channel features four triodes in combination with high-current power transistors, offering the natural smoothness of tubes with the unrestrained energy of solid-state amplification. This hybrid design eliminates phase shifts, ensures absolute stability, and delivers outstanding precision with natural dynamics — even on complex loads. Handcrafted in France, the TA240 embodies musicality, detail, and effortless power.\u003c\/p\u003e\n\u003ch5\u003eSquare Tube Technology\u003c\/h5\u003e\n\u003cp\u003eIn the TA240, Kora’s \u003ca href=\"https:\/\/kora.fr\/en\/square-tube-2\/\" rel=\"noopener\" target=\"_blank\"\u003eSquare Tube Technology\u003c\/a\u003e forms the foundation of its design. This unique circuit achieves the harmonic richness of tubes while retaining the control and efficiency of solid-state, giving the TA240 a character that feels effortless yet precise. It delivers clarity, texture, and dynamics well beyond what is expected at its price point, making it a standout in the integrated amplifier category.\u003c\/p\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareTube® operational amplifier\u003c\/strong\u003e with 4 triodes per channel for refined, phase-accurate musical reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid tube-transistor architecture\u003c\/strong\u003e — tubes for warmth and smoothness, transistors for limitless current and control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh power output\u003c\/strong\u003e — 2 × 120 W into 8 Ω, 2 × 200 W into 4 Ω.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo phase shifts or current limitation\u003c\/strong\u003e across the frequency spectrum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust dual power supply\u003c\/strong\u003e with dual 300 VA transformers and 2 × 60,000 μF filtering capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible connectivity\u003c\/strong\u003e — balanced (XLR) and unbalanced (RCA) inputs with adjustable sensitivity (0.5–5 V).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision engineering\u003c\/strong\u003e — multiple regulated supplies, isolated tube heating, and ultra-low internal impedance (\u0026lt; 0.08 Ω).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium build\u003c\/strong\u003e — aluminium and steel chassis, mineral grey finish, designed and built in Toulouse, France.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eWe’re a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on trust, not hype. Whether you’re visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don’t just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection. Our passion is helping you get the most out of your gear, with support that lasts well beyond the sale.\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"6\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eGeneral Characteristics\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall dimension\u003c\/td\u003e\n\u003ctd\u003e148 × 420 × 350 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis size only\u003c\/td\u003e\n\u003ctd\u003e130 × 420 × 320 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit weight\u003c\/td\u003e\n\u003ctd\u003e19 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003eAluminium and steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eMineral grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessories\u003c\/td\u003e\n\u003ctd\u003eRemote control, power cord, instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer’s warranty\u003c\/td\u003e\n\u003ctd\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction \u0026amp; design\u003c\/td\u003e\n\u003ctd\u003eToulouse, Occitania region, France\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eElectronic Features\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003eIEC 230 V AC socket +7% \/ -10% (117 V AC on request)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum power input\u003c\/td\u003e\n\u003ctd\u003e650 VA (2 × 200 W \/ 4 Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum power consumption\u003c\/td\u003e\n\u003ctd\u003e350 W (2 × 120 W \/ 8 Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal power supply\u003c\/td\u003e\n\u003ctd\u003e2 × (± 50 V DC) — dual supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower transformers\u003c\/td\u003e\n\u003ctd\u003e2 × 300 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary supplies\u003c\/td\u003e\n\u003ctd\u003e5 DC\/DC converters; 2 linear regulators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain filtering\u003c\/td\u003e\n\u003ctd\u003e2 × 60,000 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh voltages\u003c\/td\u003e\n\u003ctd\u003e+300 V stabilised \/ 200 V stabilised\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput tube heating\u003c\/td\u003e\n\u003ctd\u003e2 × 12 V DC (regulated \u0026amp; grounded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput tube heating\u003c\/td\u003e\n\u003ctd\u003e2 × 12 V DC (isolated regulated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput power\u003c\/td\u003e\n\u003ctd\u003e2 × 120 W \/ 8 Ω — 2 × 200 W \/ 4 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput stage\u003c\/td\u003e\n\u003ctd\u003e12 complementary highly linear power transistors (ON SEMI, 225 W \/ 15 A each)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e1 × RCA asymmetrical (10 kΩ), 1 × balanced (2 × XLR, 2 × 20 kΩ). Sensitivity adjustable 0.5–5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e20 Hz – 20 kHz (±1 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal impedance (output)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.08 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Kora High Fidelity","offers":[{"title":"Black","offer_id":42326919839840,"sku":"KORATA240BL","price":13999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/TA240_480-300x157.jpg?v=1758974498"},{"product_id":"thoress-se-300b-mono-power-amplifier-pair","title":"THÖRESS SE 300B Mono Power Amplifier (Pair)","description":"\u003cp\u003eThe THÖRESS SE-300B Mono Power Amplifier is a purist's dream, meticulously engineered to extract the definitive performance from the world's most famous filamentary power triode: the 300B. Operating in pure Single-Ended Class-A mode with zero negative feedback, these monoblocks offer 10 Watts of output power that belies the numbers, delivering a soundstage of immense depth, fluid dynamics, and startling realism. While many 300B amplifiers sound \"soft\" or overly romantic, the THÖRESS implementation is powerful and resolute. This is achieved through a unique single-stage driver circuit utilizing EL822 pentodes in triode mode and custom in-house C-Core output transformers, ensuring that the amplifier grips the loudspeaker with authority while preserving the magical midrange texture that makes the 300B legendary.\u003c\/p\u003e\n\u003ch5\u003eKey Features:\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Single-Ended Class-A:\u003c\/strong\u003e Delivers 10 Watts of unadulterated Class-A power using the classic 300B filamentary triode for ultimate linearity and harmonic richness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerful Driver Stage:\u003c\/strong\u003e Features a robust single-stage driver tailored around two EL822 (CV2382) power pentodes operated in triode mode at high idle current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-House C-Core Transformers:\u003c\/strong\u003e Equipped with proprietary tape-wound cut core (C-core) output transformers, manufactured in-house to meet the highest possible standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero Global Feedback:\u003c\/strong\u003e Employs a minimalist schematic with absolutely no global feedback, preserving the natural phase integrity and micro-dynamics of the signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Heated 300B:\u003c\/strong\u003e The 300B tube is DC heated with a cathode balance adjustment potentiometer to eliminate residual hum for a pitch-black background.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint-to-Point Wiring:\u003c\/strong\u003e Built entirely by hand in Germany using meticulous point-to-point wiring techniques for superior reliability and signal purity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eRedefining the 300B Sound\u003c\/h5\u003e\n\u003cp\u003eThe 300B tube is often associated with a \"lush\" but potentially loose sound. Reinhard Thöress challenges this convention by pairing the tube with an extraordinarily powerful driver stage. By using two EL822\/CV2382 power pentodes (wired in triode mode) to drive the 300B, the amplifier ensures the output tube is fully modulated with ample headroom. This results in a sonic presentation that retains the warmth and \"glow\" of the 300B but adds unexpected dynamic slam, speed, and bass definition.\u003c\/p\u003e\n\u003ch5\u003eThe C-Core Advantage\u003c\/h5\u003e\n\u003cp\u003eThe soul of any single-ended amplifier lies in its output transformer. THÖRESS produces these critical components in-house using high-grade tape-wound cut cores (C-cores). Unlike standard EI cores, C-cores allow for tighter winding and superior magnetic flux handling. This results in wider bandwidth and lower distortion, enabling the SE-300B to drive 4, 8, or 16-ohm loads with a level of transparency and control that is rare in the world of low-power tube amps.\u003c\/p\u003e\n\u003ch5\u003eNoise-Free Operation\u003c\/h5\u003e\n\u003cp\u003eTo ensure compatibility with high-efficiency loudspeakers (horns, full-range drivers), the SE-300B is designed for ultra-low noise. The 300B filament is DC heated, and a rear-mounted rotary potentiometer allows for precise balancing of the cathode point to nullify any hum. Additionally, the amplifier is designed with moderate gain (low input sensitivity), which prevents \"hiss\" issues common in high-sensitivity systems and allows for finer volume control range on your preamplifier.\u003c\/p\u003e\n\u003ch5\u003eHandcrafted in Germany\u003c\/h5\u003e\n\u003cp\u003eEach monoblock is a testament to functional industrial art. The chassis is constructed from non-magnetic aluminum, powder-coated in the distinctive THÖRESS grey, with anodized printing. Internally, the construction is entirely point-to-point, utilizing high-grade foil-in-oil capacitors produced in Germany. From the hand-wound mains transformers to the vibration-isolated mounting, every detail is considered for longevity and sonic purity.\u003c\/p\u003e\n\u003ch5 class=\"p1\"\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp class=\"p1\"\u003eWe’re a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on trust, not hype. Whether you’re visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don’t just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection. Our passion is helping you get the most out of your gear, with support that lasts well beyond the sale.\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eTopology\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-Ended Triode (SET), Zero Feedback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOperation Class\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePure Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower Output\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e10 Watts per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOutput Tube\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x 300B Filamentary Triode (per block)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDriver Tubes\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x EL822 \/ CV2382 (per block, wired in Triode mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInputs\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x RCA Unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOutput Matching\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e4, 8, 16 Ohm (via internal soldered jumpers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eTransformers\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eIn-house Hand-wound C-Core Output and Mains Transformers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDimensions (W x D x H)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e150 x 595 x 330 mm (Depth includes terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e14 kg (each monoblock)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOrigin\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHandmade in Aachen, Germany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"THÖRESS","offers":[{"title":"Default Title","offer_id":42422370828384,"sku":"THSE300B","price":14999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/se300b_bigger.jpg?v=1769837310"},{"product_id":"rega-solis-power-amplifier","title":"Rega Solis Reference Power Amplifier","description":"\u003cp\u003eThe Rega Solis is the ultimate expression of Rega's power amplifier engineering, a reference-grade stereo chassis designed to drive the world's most demanding loudspeakers with effortless authority and absolute transparency. Hand-built in England, the Solis represents the culmination of four decades of solid-state development, refining the legendary circuit topologies of the Elicit and Osiris into a new benchmark of performance. With a massive 168 Watts per channel into 8Ω (rising to 305 Watts into 4Ω), fully symmetrical discrete circuitry, and a dual-mono power supply architecture, the Solis delivers music with breathtaking dynamic range, iron-fisted control, and an organic, fluid musicality that gets straight to the heart of the performance.\u003c\/p\u003e\n\u003ch5\u003eKey Features:\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive Power Output:\u003c\/strong\u003e Delivers a robust 168 W per channel into 8 Ω and a staggering 305 W per channel into 4 Ω, ensuring compatibility with virtually any loudspeaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Symmetrical Circuitry:\u003c\/strong\u003e Features a fully discrete, differential, symmetrical circuit topology for low distortion and high linearity throughout the signal path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Custom Toroidal Transformers:\u003c\/strong\u003e Powered by two ultra-low noise 330VA toroidal transformers and 40,000µF of smoothing capacitance per channel for immense current delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSanken Output Transistors:\u003c\/strong\u003e Utilizes twelve 130W Sanken high-frequency multi-emitter output transistors in a triple high-current output stage for ultimate stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced \u0026amp; Unbalanced Inputs:\u003c\/strong\u003e Offers both XLR Balanced and RCA Unbalanced inputs, plus a 12V trigger for seamless integration with the Mercury Pre-amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Build Quality:\u003c\/strong\u003e Housed in a custom CNC-machined aluminum chassis with extensive heatsinking and state-of-the-art thermal protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eUncompromising Power and Control\u003c\/h5\u003e\n\u003cp\u003eThe Solis is built to control the most difficult speaker loads without breaking a sweat. At its core are twelve Sanken 130-Watt high-frequency output transistors, arranged in a \"triple\" high-current output stage. This immense reserve of power allows the Solis to double its output into 4Ω loads, providing the grip and speed necessary to reproduce deep bass transients and complex orchestral crescendos with zero compression or strain.\u003c\/p\u003e\n\u003ch5\u003eSymmetrical Perfection\u003c\/h5\u003e\n\u003cp\u003eTo achieve the lowest possible distortion and the highest linearity, the Solis employs a fully symmetrical circuit topology. From the cascoded differential input amplifier to the driver stages, the signal is balanced and protected from interference. The low-level driver stages are fed by a regulated, symmetrical tracking power supply with a low-noise voltage reference, ensuring that the delicate input signal is amplified with absolute purity before it reaches the power stages.\u003c\/p\u003e\n\u003ch5\u003eDual-Mono Power Architecture\u003c\/h5\u003e\n\u003cp\u003eGreat power requires a great foundation. The Solis is powered by two custom-designed, low-noise 330VA toroidal transformers—one for each channel. These are backed by a colossal 40,000µF of Rega K-Power smoothing capacitors per side. This dual-mono approach ensures that heavy demands in one channel never affect the performance of the other, preserving the stereo image's width and stability even during the most demanding musical passages.\u003c\/p\u003e\n\u003ch5\u003eThe Perfect Partner\u003c\/h5\u003e\n\u003cp\u003eWhile the Solis is a world-class amplifier in its own right, it was designed alongside the \u003ca rel=\"noopener\" title=\"Rega Mercury Pre-Amplifier\" href=\"https:\/\/listenroom.com\/products\/rega-mercury-pre-amplifier\" target=\"_blank\"\u003e\u003cstrong\u003eMercury Pre-amplifier\u003c\/strong\u003e\u003c\/a\u003e to create a flawless system. When paired via balanced XLR connections, they form a fully symmetric, discrete playback chain from source to speaker. The 12V trigger integration allows for unified power control, making the Solis\/Mercury stack not just a sonic powerhouse, but a seamless, user-friendly centerpiece for any reference hi-fi system.\u003c\/p\u003e\n\u003ch5 class=\"p1\"\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp class=\"p1\"\u003eWe’re a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on trust, not hype. Whether you’re visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don’t just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection. Our passion is helping you get the most out of your gear, with support that lasts well beyond the sale.\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower Output (8 Ω)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e168 W RMS per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower Output (4 Ω)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e305 W RMS per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInputs\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1x Balanced XLR Pair, 1x Unbalanced RCA Pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInput Sensitivity (RCA)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e820mV at 35kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInput Sensitivity (XLR)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1.64V at 26kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eGain\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e33.3 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eFrequency Response\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e15Hz - 30kHz (-0.5dB) at 100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eTHD+N\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eTypically 0.015% at 1kHz (100W into 8Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower Consumption\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e500W (Typ), 0.4W (Standby)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDimensions (W x H x D)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e435 x 140 x 385 mm (17 x 5.5 x 15 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e24.8 kg (54.7 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Rega","offers":[{"title":"Default Title","offer_id":42433634173024,"sku":"REGSOLIS","price":10495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/SOLIS_MOD-2_V4_new__1.jpg?v=1765468977"},{"product_id":"unison-research-unico-dm-v2-hybrid-power-amplifier","title":"Unison Research Unico DM V2 Hybrid Power Amplifier","description":"\u003cp\u003eThe Unison Research Unico DM V2 is a dual-mono hybrid power amplifier that delivers 220 watts per channel into 8 ohms through a proprietary A.S.H.A. (Analog Synchronized Hybrid Amplification) circuit topology. Developed in-house by Unison Research's engineering team in Italy, A.S.H.A. eliminates the crossover distortion that has plagued Class AB designs for decades while maintaining their power efficiency. The result is a 2-ohm-stable amplifier with twin 750 VA toroidal transformers, bridgeable to 650 watts mono, that preserves harmonic detail from the first watt to full output.\u003c\/p\u003e\n\n\u003cp\u003eFor the engineering behind the hybrid topology, read \u003ca href=\"\/blogs\/tlr\/unison-research-unico-dm-v2-and-pre-v2-italian-hybrid-amps-that-eliminate-crossover-distortion\"\u003ewhy the Unico DM V2 and Pre V2 eliminate crossover distortion\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f9f5f0; border-left: 4px solid #A3704D; padding: 12px 16px; margin: 16px 0;\"\u003e\n\u003cstrong\u003eLimited Availability:\u003c\/strong\u003e Stock is very limited, with more on the way. Call or text \u003ca href=\"tel:4102392020\"\u003e410-239-2020\u003c\/a\u003e or \u003ca href=\"mailto:mike@listenroom.com\"\u003eemail\u003c\/a\u003e to reserve yours.\n\u003c\/div\u003e\n\n\n\u003ch5\u003eKey Features of the Unico DM V2\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA.S.H.A. Technology (Analog Synchronized Hybrid Amplification):\u003c\/strong\u003e Proprietary Leader\/Follower MOSFET circuit eliminates crossover distortion entirely, delivering Class A signal purity with Class AB power efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Mono Design with Twin 750 VA Transformers:\u003c\/strong\u003e Each channel has its own encapsulated, potted, and shielded toroidal power transformer, completely isolating left and right signal paths for maximum channel separation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGold Lion ECC82\/12AU7 Tube Input Stage:\u003c\/strong\u003e Two matched Gold Lion tubes operating in pure Class A define the amplifier's sonic character with speed, fine detail, and a naturally open presentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Parallel MOSFET Output Pairs:\u003c\/strong\u003e The complementary push-pull output stage uses three paralleled MOSFET pairs per channel for high current delivery and control over difficult speaker loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e220W\/8Ω Stereo, 650W Mono Bridged:\u003c\/strong\u003e Switchable between stereo and bridged mono operation via rear toggle, with power output scaling from 220W at 8 ohms to 650W in mono for bi-amp or mono configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stable:\u003c\/strong\u003e Tested and stable into loads as low as 2 ohms, with 370W continuous and 670W peak into 2Ω. No current limiting, no thermal shutdown, just clean power into whatever you connect.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntelligent Protection System:\u003c\/strong\u003e Microprocessor-controlled current monitoring blinks the front-panel LEDs when high power is being delivered to the speakers. The protection doesn't alter the signal path or affect sound quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced XLR and Unbalanced RCA Inputs:\u003c\/strong\u003e Both balanced and unbalanced connections for flexibility with any preamplifier, including the \u003ca href=\"\/products\/unison-research-unico-pre-v2-hybrid-preamplifier\"\u003eUnico Pre V2\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4+4 Binding Posts for Bi-Wiring:\u003c\/strong\u003e Dual sets of high-quality binding posts per channel support bi-wiring configurations for speakers with separate bass and treble terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 17-Inch Chassis:\u003c\/strong\u003e Despite the power inside, the DM V2 fits standard 17-inch racks and shelving. No oversized footprint.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eA.S.H.A.: From Dynamic Class A to Analog Synchronized Hybrid Amplification\u003c\/h5\u003e\n\u003cp\u003eIn 1999, Unison Research introduced Dynamic Class A, a biasing method that kept output transistors partially conducting at all times rather than switching them fully off. This significantly reduced crossover distortion compared to standard Class AB, but didn't eliminate it entirely. Twenty-seven years later, the engineering team revisited the problem from the ground up.\u003c\/p\u003e\n\u003cp\u003eA.S.H.A. (Analog Synchronized Hybrid Amplification) takes a fundamentally different approach. Instead of two output transistors trading control of the signal back and forth (the source of crossover distortion in every Class AB amplifier), A.S.H.A. designates one MOSFET as the \"Leader\" and the other as the \"Follower.\" The Leader MOSFET operates in pure Class A and maintains control of the output signal for the entire waveform period, both positive and negative. It never hands off. The Follower MOSFET, biased in Class AB, handles the heavy current delivery during the negative half-cycle while the Leader continues steering the voltage.\u003c\/p\u003e\n\u003cp\u003eThis synchronized relationship is the key. Because the Leader never relinquishes control of the signal, there is no handoff between transistors, which means there is no crossover distortion. Period. The circuit achieves the signal purity of a pure Class A amplifier with the thermal efficiency and power output of Class AB. Power dissipation stays comparable to conventional Class AB designs, so the DM V2 runs warm but doesn't require the massive heatsinking or ventilation that pure Class A amplifiers demand.\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/dm_v2_top_down_landscape.jpg?v=1771271723\" alt=\"Unico DM V2 side panel showing dual-mono ventilation layout with diamond center grille and internal circuitry visible\" style=\"display: block; margin-left: auto; margin-right: auto; max-width: 100%;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eWhat Zero Crossover Distortion Sounds Like\u003c\/h5\u003e\n\u003cp\u003eThe practical consequence of A.S.H.A. shows up in two places most conventional amplifiers struggle. At low volume, where Class AB designs typically lose bass definition and detail as the output transistors hover near their switching threshold, the DM V2 maintains full frequency response. Bass stays present and defined even at background listening levels because the Leader MOSFET is always conducting, always in control. At high volume, where crossover artifacts in conventional amplifiers accumulate and mask fine detail, the DM V2's output remains linear. Musical detail that usually disappears as you push the volume stays vivid and resolved. The amplifier's distortion profile doesn't shift with power level, and that linearity is something you hear immediately: there's no strain, no hardening, no point where the sound starts to compress.\u003c\/p\u003e\n\n\u003ch5\u003eDual-Mono Power Supply\u003c\/h5\u003e\n\u003cp\u003eEach channel of the DM V2 is fed by its own dedicated 750 VA toroidal transformer, encapsulated, potted, and shielded to minimize electromagnetic interference between the power supply and the sensitive audio circuits. This true dual-mono architecture means the two channels share nothing except the chassis and the mains cable. When switched to bridged mono operation, the two power supplies work in parallel, creating a combined energy reserve that supports sustained output of 650 watts into 8 ohms and 650 watts into 4 ohms.\u003c\/p\u003e\n\n\u003ch5\u003eThree-Stage Amplification\u003c\/h5\u003e\n\u003cp\u003eThe DM V2's signal path is organized into three distinct stages. The input stage is a pure Class A circuit using two Gold Lion ECC82\/12AU7 dual-triode valves, responsible for the speed, fine detail, and natural harmonic structure that set the amplifier's sonic signature. Even in a dedicated power amplifier, this tube input stage matters because the preamplifier signal still needs amplification before reaching the output devices. Unison Research uses valves here deliberately: the solid linearity and warmth they bring to the critical first gain stage carries through the entire signal chain. The second stage is a solid-state adapter circuit that conditions the signal for the output MOSFETs. The output stage uses three complementary MOSFET pairs per channel in the A.S.H.A. configuration, chosen for their tube-like transfer characteristics and ability to deliver high current into low-impedance loads.\u003c\/p\u003e\n\n\u003ch5\u003eStereo and Bridged Mono Operation\u003c\/h5\u003e\n\u003cp\u003eA rear-panel toggle switch allows the DM V2 to operate in stereo mode (220W\/8Ω, 340W\/4Ω, 370W\/2Ω) or bridged mono mode (650W\/8Ω, 650W\/4Ω). In stereo, the amplifier's two channels drive a pair of speakers from a single chassis. In mono, both channels combine to drive a single speaker with dramatically increased power and current capability. A pair of DM V2 amplifiers in mono configuration creates a system capable of controlling the most demanding loudspeakers, including large planars like the \u003ca href=\"\/products\/magnepan-lrs-floorstanding-loudspeakers-pair\"\u003eMagnepan LRS+\u003c\/a\u003e and power-hungry floorstanding designs.\u003c\/p\u003e\n\n\u003ch5\u003eUnico DM V2 Connectivity and Speaker Integration\u003c\/h5\u003e\n\u003cp\u003eThe DM V2 accepts signals through both balanced XLR and unbalanced RCA inputs, making it compatible with any preamplifier. The natural companion is the \u003ca href=\"\/products\/unison-research-unico-pre-v2-hybrid-preamplifier\"\u003eUnico Pre V2\u003c\/a\u003e, which provides balanced XLR outputs and a 12V trigger signal for synchronized power-on. Speaker connections use four high-quality binding posts per channel (eight total), supporting both standard and bi-wired speaker configurations. The trigger input and output terminals allow daisy-chaining power sequencing across multiple components.\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/dm_v2_rear_panel_landscape.jpg?v=1771271724\" alt=\"Unico DM V2 rear panel with 4+4 speaker binding posts, XLR and RCA inputs, stereo\/mono toggle, and 12V trigger connections\" style=\"display: block; margin-left: auto; margin-right: auto; max-width: 100%;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eItalian Design and Build Quality\u003c\/h5\u003e\n\u003cp\u003eHandcrafted in Dosson di Casier, Italy, by A.R.I.A. srl, the Unico DM V2 introduces a completely renewed design language for the Unico product family. The front panel is machined from a solid 15mm-thick aluminum block, with distinctive wooden inserts and a copper accent strip. The circular Unison Research logo doubles as the power button. The top panel features a diamond-shaped ventilation grille flanked by horizontal cooling slots, providing airflow for the high-power output stage beneath. Available in Midnight Black and Velvet Gold finishes, the DM V2 fits into a standard 17-inch width and is designed to sit alongside the Pre V2 as a visually and sonically matched separates system.\u003c\/p\u003e\n\n\u003ch5\u003eThe Unico Line: A.S.H.A. Across the Range\u003c\/h5\u003e\n\u003cp\u003eThe DM V2 and Pre V2 are the first products in the new Unico generation, but A.S.H.A. technology won't stay exclusive to the flagship separates. Unison Research is redesigning the entire Unico integrated amplifier lineup with A.S.H.A., starting with three new models: a 100-watt, a 180-watt, and a 280-watt integrated, all featuring the same Leader\/Follower MOSFET topology. The first two are expected to begin production in Q3 2026, with the larger model following in early 2027. Each will include a slot for an optional streaming board supporting QOBUZ Connect, Tidal Connect, Spotify Connect, and Roon Ready via DLNA. A new Unico DS (Digital Streaming) source component combining a DAC, CD player, and streamer with a valve output stage is also in development.\u003c\/p\u003e\n\n\u003ch5\u003eExplore the Full Unison Research Unico Series\u003c\/h5\u003e\n\u003cp\u003eThe Unico DM V2 is the flagship power amplifier in Unison Research's Unico lineup. For listeners exploring different levels of amplification:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/unison-research-unico-primo-integrated-amplifier\"\u003eUnico Primo\u003c\/a\u003e\u003c\/strong\u003e - 75W hybrid integrated, the entry point to the Unico sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/unison-research-unico-nuovo-integrated-amplifier\"\u003eUnico Nuovo\u003c\/a\u003e\u003c\/strong\u003e - 95W hybrid integrated with built-in phono stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/unison-research-unico-due-integrated-amplifier\"\u003eUnico Due\u003c\/a\u003e\u003c\/strong\u003e - 120W hybrid integrated with DAC and phono.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/unison-research-unico-90-stereo-tube-hybrid-integrated-amplifier\"\u003eUnico 90\u003c\/a\u003e\u003c\/strong\u003e - 120W hybrid integrated for dedicated two-channel systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/unison-research-unico-150-integrated-amplifier\"\u003eUnico 150\u003c\/a\u003e\u003c\/strong\u003e - 150W flagship hybrid integrated amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/unison-research-unico-pre-v2-hybrid-preamplifier\"\u003eUnico Pre V2\u003c\/a\u003e\u003c\/strong\u003e - Fully balanced hybrid preamplifier, the DM V2's natural companion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eTHE LISTENING ROOM DIFFERENCE\u003c\/h5\u003e\n\u003cp\u003eWe're a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on trust, not hype. Whether you're visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don't just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection.\u003c\/p\u003e\n\n\u003ch5\u003eUnico DM V2 Specifications\u003c\/h5\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color: #f3f3f3;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left; width: 34%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left; width: 66%;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eHybrid Power Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eA.S.H.A. (Analog Synchronized Hybrid Amplification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eValves\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2 x ECC82 \/ 12AU7 Gold Lion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eInput Stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003ePure Class A, Dual Triode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eA.S.H.A. Leader\/Follower, 3 Parallel MOSFET Pairs per Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eDual-Mono, 2 x 750 VA Encapsulated Toroidal Transformers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Power (Stereo, 8Ω)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e220W continuous @ 1% THD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Power (Stereo, 4Ω)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e340W continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Power (Stereo, 2Ω)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e370W continuous, 670W peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Power (Mono, 8Ω)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e650W continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Power (Mono, 4Ω)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e650W continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eLoad Stability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eStable to 2Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1 x RCA (Unbalanced), 1 x XLR (Balanced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSpeaker Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e4+4 Binding Posts (Bi-Wiring Capable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOperation Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eStereo \/ Bridged Mono (rear toggle switch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eMicroprocessor-controlled current monitoring with LED indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e12V Trigger\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1 x Input, 1 x Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eChassis Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eStandard 17 inches (43 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMax Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e900W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eAvailable Finishes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eMidnight Black, Velvet Gold (Special Order)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Manufacture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eItaly (A.R.I.A. srl, Dosson di Casier)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Midnight Black","offer_id":42587701280864,"sku":"URUDMV2BL","price":10999.0,"currency_code":"USD","in_stock":true},{"title":"Velvet Gold (Special Order)","offer_id":42587701805152,"sku":"URUDMV2VG","price":10999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/01_black_front_hero_80a67b77-d3ad-4225-9a7c-a47eb5658375.jpg?v=1771266692"},{"product_id":"audio-research-d-80-stereo-power-amplifier","title":"Audio Research D-80 Stereo Power Amplifier","description":"\u003cp\u003eThe Audio Research D-80 is a 70-watt stereo tube power amplifier that draws its circuit design directly from the Reference 80S, delivering the tonal density, bass control, and spatial expansiveness of Audio Research's Reference line in a more accessible package. Four KT150 output tubes in a fully balanced, differential signal path produce power that's honest and musical, with auto-bias keeping performance consistent as tubes age and line voltage fluctuates. Built entirely in Audio Research's Minnesota facility, the D-80 is tested twice and individually auditioned before it ships.\u003c\/p\u003e\n\n\u003ch5\u003eKey Features of the Audio Research D-80\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference 80S Foundation:\u003c\/strong\u003e Circuit topology derived directly from the Reference 80S stereo tube amplifier, bringing Reference-grade performance to a new price point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKT150 Output Tubes:\u003c\/strong\u003e A matched pair of KT150s per channel delivers 70 watts continuous with wide bandwidth and low distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Balanced Differential Topology:\u003c\/strong\u003e The entire signal path is balanced and differential, maximizing noise rejection and delivering a fully balanced output to both speaker legs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Bias:\u003c\/strong\u003e Continuously monitors and adjusts output tube bias in real time, compensating for line voltage changes and tube aging with no user intervention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Pentode Design:\u003c\/strong\u003e Operates in pentode mode for maximum power and dynamic headroom from the KT150 output stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4, 8, and 16 Ohm Speaker Taps:\u003c\/strong\u003e Three output impedance taps allow proper matching to virtually any loudspeaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in Minnesota:\u003c\/strong\u003e Entirely built, twice tested, and individually auditioned in Audio Research's U.S. facility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eReference-Derived Circuit Architecture\u003c\/h5\u003e\n\u003cp\u003eThe D-80 isn't just inspired by Audio Research's Reference amplifiers. It borrows directly from the Reference 80S platform. The fully balanced, differential signal path uses a pair of KT150 power tubes per channel, fed by 6H30 gain stage tubes. Internal components were chosen specifically to maximize tonal density, bass authority, and the reproduction of recording space. The result is an amplifier that sounds like it costs considerably more than it does, with the kind of weight and dimensionality that defines the Reference line.\u003c\/p\u003e\n\n\u003ch5\u003eBalanced-Only Input Design\u003c\/h5\u003e\n\u003cp\u003eThe D-80 takes a purist approach with XLR-only balanced inputs. This keeps the signal path simple and optimized for the best possible performance. Most listeners pairing the D-80 with a quality preamplifier will have balanced outputs available, and keeping the circuit focused on one input topology means fewer compromises in the signal path. The output is fully balanced, driving both loudspeaker legs for maximum control and dynamic range.\u003c\/p\u003e\n\n\u003ch5\u003eAuto-Bias for Consistent Performance\u003c\/h5\u003e\n\u003cp\u003eUnlike amplifiers that require manual bias adjustment, the D-80's auto-bias system continuously monitors and adjusts the output tube operating point in real time. As tubes age or line voltage shifts throughout the day, the bias tracks automatically. The practical benefit is consistent sound quality every listening session without the need for a multimeter or periodic adjustments. When it's time for new tubes, simply install a matched set and the D-80 handles the rest.\u003c\/p\u003e\n\n\u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/inline_05_rear.jpg?v=1771693573\" alt=\"Audio Research D-80 rear panel showing XLR inputs and speaker binding posts\" style=\"display: block; margin-left: auto; margin-right: auto; max-width: 100%;\" loading=\"lazy\"\u003e\n\u003c\/p\u003e\n\n\u003ch5\u003eSpeaker Compatibility and Output Taps\u003c\/h5\u003e\n\u003cp\u003eThree sets of speaker output taps (4, 8, and 16 ohms) give you flexibility to match the D-80 to your loudspeakers properly. Correct impedance matching maximizes power transfer, controls damping, and ensures the amplifier operates within its optimal range. Output regulation is approximately 1.0dB from 16 ohm load to open circuit, yielding a damping factor of approximately 8, which is typical for a well-designed tube amplifier that balances control with the natural warmth of the output transformer.\u003c\/p\u003e\n\n\u003ch5\u003ePower and Bandwidth\u003c\/h5\u003e\n\u003cp\u003eThe D-80 delivers 70 watts continuous from 20Hz to 20kHz with total harmonic distortion typically at 1% at 140 watts and below 0.04% at 1 watt. Power bandwidth extends from 7Hz to 68kHz at -3dB, while frequency response reaches from 0.7Hz to 94kHz at 1 watt. The slew rate of 10 volts per microsecond and 4.0 microsecond rise time give the D-80 the speed to handle transients cleanly, while overall negative feedback is kept at a moderate 15dB to preserve the tube character that makes Audio Research amplifiers special.\u003c\/p\u003e\n\n\u003ch5\u003eThe D-80 Legacy\u003c\/h5\u003e\n\u003cp\u003eThe \"D\" prefix carries weight in Audio Research's history. It traces back to legendary amplifiers that established the high-performance tube amplifier market. The D-80 is designed to carry forward the performance and gravitas of those ancestors while incorporating modern manufacturing and circuit refinements. It's not a nostalgia piece, it's a continuation of a design philosophy that has defined reference-quality tube amplification for decades.\u003c\/p\u003e\n\n\u003ch5\u003eAudio Research D-80 Stereo Power Amplifier Video\u003c\/h5\u003e\n\u003cdiv style=\"padding:56.25% 0 0 0;position:relative;\"\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/1mBCJmH1UeI?rel=0\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture\" allowfullscreen loading=\"lazy\" title=\"Audio Research D-80 stereo tube amplifier review\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e\n\n\u003ch5\u003eExplore the Audio Research Power Amplifier Range\u003c\/h5\u003e\n\u003cp\u003eAudio Research offers power amplifiers across a wide range of configurations and power levels. The \u003ca href=\"\/products\/audio-research-reference-80s-stereo-power-amplifier\"\u003eReference 80S\u003c\/a\u003e delivers the full Reference circuit in stereo form. For more power, the \u003ca href=\"\/products\/audio-research-reference-160s-stereo-power-amplifier\"\u003eReference 160S\u003c\/a\u003e offers 140 watts per channel. Those seeking monoblock performance can explore the \u003ca href=\"\/products\/audio-research-reference-160m-mkii-monoblock-power-amplifier-pair\"\u003eReference 160M MkII\u003c\/a\u003e or the flagship \u003ca href=\"\/products\/audio-research-reference-330m-monoblock-power-amplifier\"\u003eReference 330M\u003c\/a\u003e. For listeners who want the simplicity of an integrated solution, the \u003ca href=\"\/products\/audio-research-i-70-integrated-amplifier\"\u003eI\/70\u003c\/a\u003e combines a tube preamp and 70-watt power amp in one chassis.\u003c\/p\u003e\n\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eWe're a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on trust, not hype. Whether you're visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don't just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection. Our passion is helping you get the most out of your gear, with support that lasts well beyond the sale.\u003c\/p\u003e\n\n\u003ch5\u003eAudio Research D-80 Stereo Power Amplifier Specifications\u003c\/h5\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f3f3f3;\"\u003e\n\u003cth style=\"border: 1px solid rgb(221,221,221); padding: 12px; text-align: left; width: 33.88%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(221,221,221); padding: 12px; text-align: left; width: 66.20%;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003ePower Output\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e70 watts continuous, 20Hz to 20kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eTHD\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eTypically 1% at 140W, below 0.04% at 1W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003ePower Bandwidth\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e7Hz to 68kHz (-3dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e0.7Hz to 94kHz (-3dB at 1W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e1.4V RMS Balanced for rated output (25.5dB gain into 8 ohms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eInput Impedance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e300K ohms Balanced (75K ohms SE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eOutput Taps\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e4, 8, and 16 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eOutput Regulation\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eApprox. 1.0dB, 16 ohm load to open circuit (damping factor ~8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eNegative Feedback\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e15dB overall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eSlew Rate\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e10V\/microsecond\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eRise Time\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e4.0 microseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eOutput Polarity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eNon-inverting, balanced pin 2+ (IEC-268)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eTubes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e2 matched pairs KT150 (output), 2x 6H30 (gain stage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003ePower Requirements\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e105-130VAC 60Hz (210-250VAC 50Hz), 420W at rated output, 221W idle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e18.5\" x 10.5\" x 18.5\" (21\" with handles\/connectors)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221,221,221); padding: 12px;\"\u003e62 lbs (73 lbs shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Audio Research","offers":[{"title":"Black","offer_id":42596910104672,"sku":"D80BL","price":12950.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":42596910137440,"sku":"D80SI","price":12950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/02_front_alt_b41e0404-9681-4c12-a516-4f949e3dc94d.jpg?v=1771798825"},{"product_id":"chord-electronics-ultima-6","title":"Chord Electronics Ultima 6","description":"\u003cp\u003eThe Chord Electronics Ultima 6 is a 180-watt stereo power amplifier and the entry point to ULTIMA-level power amplification. It uses the same dual feed-forward error correction topology found in Chord's reference mono blocks, delivered through 16 proprietary MOSFET output transistors and a 2kW switch-mode power supply operating at 70 kHz. Fully balanced from input to output, the Ultima 6 pairs with the \u003ca href=\"\/products\/chord-electronics-ultima-pre-3\"\u003eUltima Pre 3\u003c\/a\u003e or any preamplifier with balanced outputs.\u003c\/p\u003e\n\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e180W per channel into 8 ohms\u003c\/strong\u003e in stereo configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eULTIMA dual feed-forward error correction\u003c\/strong\u003e derived from reference amplifier topology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 proprietary MOSFET output transistors\u003c\/strong\u003e with close channel matching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully balanced circuitry\u003c\/strong\u003e from input through output stage\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eXLR balanced and RCA single-ended inputs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2kW high-frequency switch-mode power supply\u003c\/strong\u003e operating at 70 kHz\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDesigned and built in Kent, England\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eWhy We Carry Chord Electronics\u003c\/h5\u003e\n\u003cp\u003eChord Electronics has been doing digital conversion differently since 1989. While every other manufacturer buys off-the-shelf DAC chips, Rob Watts designs custom FPGA algorithms with tap lengths that dwarf anything from ESS or AKM. Their proprietary Pulse Array technology, MOSFET amplification stages, and high-frequency switch-mode power supplies are all designed and built in Kent, England. From the portable \u003ca href=\"\/products\/chord-electronics-mojo-2\"\u003eMojo 2\u003c\/a\u003e to the flagship \u003ca href=\"\/products\/chord-electronics-dave\"\u003eDAVE\u003c\/a\u003e, every product runs code that Chord wrote themselves.\u003c\/p\u003e\n\n\u003ch5\u003eULTIMA Dual Feed-Forward Error Correction\u003c\/h5\u003e\n\u003cp\u003eEvery ULTIMA amplifier uses Chord's dual feed-forward error correction circuit, a topology that applies correction at two separate points in the signal path rather than the single global feedback loop found in conventional amplifier designs. The error correction amplifier runs in parallel with the main signal amplifier, comparing the output against the input and correcting deviations in real time. The result is measurably lower distortion across the full power range, not just at low output levels where most amplifiers test well. At 180 watts, the Ultima 6 maintains this correction under real-world loads where speakers present complex impedance curves, not just on a resistive test bench.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/chord-ultima6-side.jpg\" alt=\"Chord Electronics Ultima 6 stereo power amplifier side view\" style=\"max-width: 100%;\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eChord Electronics Ultima 6 Power Supply\u003c\/h5\u003e\n\u003cp\u003eThe 2kW custom switch-mode power supply charges its capacitor banks up to 70,000 times per second. A conventional toroidal transformer operating at 50-60 Hz delivers energy in slow, massive pulses. Chord's SMPS delivers smaller, faster charges that track the music's demand more closely. When a bass transient hits and the amplifier needs current immediately, the power supply responds in microseconds rather than waiting for the next AC cycle. Operating at 70 kHz also means the switching frequency sits well above the audio band, so its activity cannot interfere with the musical signal.\u003c\/p\u003e\n\n\u003ch5\u003eProprietary MOSFET Output Stage\u003c\/h5\u003e\n\u003cp\u003eSixteen proprietary MOSFET output transistors are closely matched between left and right channels. Off-the-shelf MOSFETs vary in their electrical characteristics from unit to unit, which means the left channel and right channel of a conventional amplifier never behave identically under load. Chord specifies and matches their own devices to eliminate this asymmetry. The result is consistent stereo imaging that holds together even when the amplifier is working hard.\u003c\/p\u003e\n\n\u003ch5\u003eFully Balanced Architecture\u003c\/h5\u003e\n\u003cp\u003eThe Ultima 6 is fully balanced from its XLR input through the amplification stages to the speaker binding posts. Balanced operation rejects common-mode noise, which matters most on long cable runs between a preamplifier and power amplifier. If your source and preamp are across the room from your speakers, the Ultima 6 can sit next to the speakers with a long XLR run back to the preamp, keeping speaker cables short and noise out of the signal. RCA single-ended inputs are also provided for systems where balanced cabling is not available, though XLR is recommended for best performance.\u003c\/p\u003e\n\n\u003ch5\u003eThe ULTIMA Range\u003c\/h5\u003e\n\u003cp\u003eThe Ultima 6 is the most accessible stereo power amplifier in the ULTIMA lineup. For more power, the \u003ca href=\"\/products\/chord-electronics-ultima-5\"\u003eUltima 5\u003c\/a\u003e delivers 350W per channel with 32 MOSFET output devices. For systems that need a combined preamp and power amp, the \u003ca href=\"\/products\/chord-electronics-ultima-integrated\"\u003eUltima Integrated\u003c\/a\u003e puts 125W and a five-input preamp section in one chassis. All ULTIMA amplifiers share the same dual feed-forward topology and proprietary MOSFET output stage.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/chord-ultima6-rear.jpg\" alt=\"Chord Electronics Ultima 6 stereo power amplifier rear panel\" style=\"max-width: 100%;\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eWe're a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on exceptional service and relentless passion for hifi. Whether you're visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don't just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection. Our passion is helping you get the most out of your gear, with support that lasts well beyond the sale.\u003c\/p\u003e\n\u003ch5\u003eChord Electronics Ultima 6 Specifications\u003c\/h5\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f3f3f3;\"\u003e\n\u003cth style=\"text-align: left; padding: 12px; border: 1px solid rgb(221,221,221); width: 34%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 12px; border: 1px solid rgb(221,221,221); width: 66%;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003eStereo Power Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e\u003cstrong\u003eAmplifier Topology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003eULTIMA dual feed-forward error correction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e180W per channel into 8 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e\u003cstrong\u003eOutput Devices\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e16 proprietary MOSFET transistors (matched pairs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e1x XLR balanced, 1x RCA single-ended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e\u003cstrong\u003eCircuitry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003eFully balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e2kW high-frequency SMPS (70 kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003eBlack or Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003eULTIMA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003e\u003cstrong\u003eDesigned \u0026amp; Built\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid rgb(221,221,221);\"\u003eKent, England\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n","brand":"Chord Electronics","offers":[{"title":"Black","offer_id":42641572298848,"sku":"CHORDULT6BLK","price":11260.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":42641572331616,"sku":"CHORDULT6SIL","price":11260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/ULTIMA-6-Front.jpg?v=1773255045"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/collections\/se300b_bigger.jpg?v=1772829546","url":"https:\/\/listenroom.com\/collections\/best-power-amplifiers-10000-15000.oembed","provider":"The Listening Room","version":"1.0","type":"link"}