{"title":"Unison Research Valve Amplifiers","description":"\u003cp\u003eUnison Research's valve amplifier line represents the purest expression of Italian tube amplification. These are not hybrids: every stage, from input to output, runs on vacuum tubes. The range spans single-ended triode designs like the \u003ca href=\"\/products\/unison-research-triode-25-tube-integrated-amplifier\"\u003eTriode 25\u003c\/a\u003e and \u003ca href=\"\/products\/unison-research-simply-italy-stereo-integrated-amplifier\"\u003eSimply Italy\u003c\/a\u003e to higher-powered push-pull amplifiers like the \u003ca href=\"\/products\/unison-research-s6-stereo-integrated-tube-amplifier\"\u003eS6\u003c\/a\u003e, with power outputs from 12 to 35 watts per channel in Class A operation.\u003c\/p\u003e\u003cp\u003eEach amplifier is hand-wired with point-to-point soldering in Dosson di Casier, Italy, using premium transformers and carefully selected tube sets. Whether you choose the intimate warmth of a single-ended triode or the dynamic authority of a push-pull pentode design, these amplifiers deliver the dimensionality, tonal richness, and musical presence that only an all-tube signal path can provide. Available in standard and \u003ca href=\"\/collections\/unison-research-black-edition\"\u003eBlack Edition\u003c\/a\u003e finishes to complement any listening space.\u003c\/p\u003e","products":[{"product_id":"unison-research-simply-italy-stereo-integrated-amplifier","title":"Unison Research Simply Italy Stereo Integrated Amplifier","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBuilding on the legacy of the highly acclaimed Simply Two, the Unison Research Simply Italy is a modern take on a classic design, combining the rich, warm sound of valve amplification with updated aesthetics and advanced engineering. With its roots in the iconic Simply Two, Simply Italy offers a new level of audio performance while maintaining the musicality and reliability that made its predecessor a favorite among audiophiles and critics alike.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003e12W Per Channel Output:\u003c\/strong\u003e Pure Class-A, single-ended ultralinear configuration for rich, dynamic sound.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSelectable Negative Feedback:\u003c\/strong\u003e Choose between 5 dB or 1.8 dB for optimal speaker and room matching.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eCustom Output Transformers: \u003c\/strong\u003eDeveloped in-house to ensure EL34 tubes operate with triode-like qualities.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eRefined Design:\u003c\/strong\u003e Modern aesthetic with wood accents and satin stainless-steel bands for both style and function.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eAdvanced Power Supply:\u003c\/strong\u003e Quasi-Dual-Mono design reduces crosstalk and distortion for a purer signal.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eRemote Control Included:\u003c\/strong\u003e Infrared remote with ALPS motorized potentiometer for precise volume control.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eAbout Unison Research\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUnison Research, founded in Italy, has a long-standing reputation for crafting high-fidelity audio equipment that marries traditional craftsmanship with cutting-edge technology. Each product reflects their passion for music and dedication to producing equipment that delivers both sonic excellence and visual beauty. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eA Modern Classic: The Evolution of Simply Two\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Simply Italy amplifier draws inspiration from the iconic Simply Two, one of the world’s most successful integrated valve amplifiers. While retaining the essence of the original, Simply Italy introduces several enhancements that elevate its performance and usability. With a power output of 12 watts per channel, this amplifier is designed to deliver exceptional sound quality across a wide range of speakers, thanks to its 6-ohm output impedance, making it suitable for both 4-ohm and 8-ohm loudspeakers.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eEngineering Excellence: Inside the Simply Italy\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUnison Research has applied its extensive experience in valve amplifier design to the Simply Italy, ensuring that each component works harmoniously to produce the best possible sound. The amplifier stages are entirely valve-based, featuring a pair of EL34 tubes in a single-ended ultralinear configuration. This design, supported by Unison Research's proprietary output transformers, allows the pentode tubes to operate with triode-like characteristics, providing a sound that is both warm and detailed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe preamp and driver stages are powered by ECC82 twin triodes, known for their excellent linearity and minimal harmonic distortion. The input stage uses an ionic bias system, eliminating global and local feedback and ensuring minimal phase rotation, which contributes to the amplifier’s clear and natural sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eAttention to Detail: Design and Construction\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Simply Italy is as visually striking as it is sonically impressive. The updated design includes wood detailing on the front panel, complemented by circular wood inserts around the controls, adding a touch of elegance to the modern aesthetic. Two satin stainless-steel bands beneath the valves not only enhance the visual appeal but also provide thermal isolation for the electronic circuits and output transformers, improving reliability and sound quality.\u003cbr\u003e\u003cbr\u003eThe amplifier’s internal construction is equally meticulous. The Quasi-Dual-Mono power supply design, which separates the preamp stages, reduces crosstalk and distortion, resulting in a purer signal path. The use of carefully selected components, including anti-inductive resistors, pure ceramic valve sockets, and vetronite printed circuit boards ensures long-term reliability and exceptional performance.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eYour listening space is unique, and so are your needs. That's why we take the time to understand your preferences, your room acoustics, and your sonic dreams. We'll guide you through our range of hi-fi options, ensuring you find the perfect match for your space and budget. We believe in personal connections, exceptional service, and expert advice because when it comes to sound, there's no one-size-fits-all solution. Contact us to learn more.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStereo Integrated Valve Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-ended, ultralinear, Class-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 12 watts per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 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\u003e47 kOhm \/ 50 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNegative Feedback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 dB or 1.8 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Complement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x ECC82 (12AU7), 2 x EL34 (6CA7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85 watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuses\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eT2A (100V to 130V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e26 cm x 35 cm x 19 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Cherry","offer_id":40271950413920,"sku":"URSIMPLYITALY","price":3299.0,"currency_code":"USD","in_stock":false},{"title":"Black","offer_id":40271950446688,"sku":"URSIMPLYITALY-BLK","price":3299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/products\/SIMPLY-cherry_-LUCE.jpg?v=1741604340"},{"product_id":"unison-research-preludio-tube-integrated-amplifier","title":"Unison Research Preludio Tube Integrated Amplifier","description":"\u003ch5 dir=\"ltr\"\u003eUnison Research Preludio Tube Integrated Amplifier\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Unison Research Preludio combines Italian craftsmanship with the brand’s renowned audio expertise. This integrated tube amplifier offers the high-quality sound and design that Unison Research is known for.\u003c\/span\u003e\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\u003ePure Class A Design:\u003c\/strong\u003e Provides the warmth and dynamics of a much more powerful amplifier.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003e6550 Output Tubes:\u003c\/strong\u003e Engineered for long-lasting performance with minimal warm-up time.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eECC82 Double Triode Valve:\u003c\/strong\u003e Ensures rich, natural sound reproduction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eMagnetic Stainless Steel Top Plate:\u003c\/strong\u003e Reduces heat interference for consistent performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eFull Remote Control:\u003c\/strong\u003e Combines modern convenience with classic tube amplifier design.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eElegant Finish:\u003c\/strong\u003e Available in Cherry, with brushed aluminum accents.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eAbout Unison Research\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUnison Research, founded in Italy, has a long-standing reputation for crafting high-fidelity audio equipment that marries traditional craftsmanship with cutting-edge technology. Each product reflects their passion for music and dedication to producing equipment that delivers both sonic excellence and visual beauty. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eDesign and Build\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Preludio features a thoughtful design that prioritizes both aesthetics and functionality. The top plate, made from magnetic stainless steel, is designed to minimize heat conduction, ensuring that the internal circuitry remains unaffected by the heat generated by the 6550 tubes. This attention to detail extends to every component, from the circuit boards to the control knobs, resulting in an amplifier that is as reliable as it is beautiful.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003ePerformance\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThough rated at 14 watts per channel, the Preludio’s Pure Class A design allows it to perform like a 40-50 watt solid-state amplifier, driving most speakers with ease. It excels in delivering a natural and dynamic sound, making it ideal for acoustic music, jazz, and blues. The amplifier’s ECC82 valves in the input stage and 6550 output valves ensure a warm and detailed audio experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003eVersatility\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Preludio is equipped with four line-stage inputs, a tape input, and an output, offering flexibility in various setups. The inclusion of full remote control functionality enhances usability, making it easy to integrate into your existing system. While it may not suit those seeking a powerhouse amplifier for high-volume rock or classical music, it shines in more intimate listening environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eSpeaker Compatibility\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWith any valve amplifier, speaker choice is crucial. The Preludio pairs well with speakers that have a sensitivity of 90dB or higher and an impedance that doesn’t drop below 4 ohms. For those unsure about speaker compatibility, our team at The Listening Room is available to offer expert advice.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eDesign Aesthetics\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Preludio’s design reflects its Italian origins, with an elegant finish available in Cherry. The combination of wood and brushed aluminum details adds a touch of sophistication to any listening room. Positioned in the middle of Unison Research’s range, the Preludio offers significant benefits over entry-level models like the Simply Italy, while still remaining accessible.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003eThe Listening Room Experience\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\u003cb\u003e\u003c\/b\u003e\n\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStereo Integrated Valve Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003esingle ended ultralinear A class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14W \/ channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 line, 1 tape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 tape, 1 subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeedback factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20Hz – 85kHz ( -1dB@ 7 W )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValves\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x 6550\/KT88, 2 x ECC82\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimension\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e37.5 cm x 40 cm x H 18 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18kg, 40 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Default Title","offer_id":40271278997600,"sku":"URPRELUDIO","price":4299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/products\/Preludio-1.jpg?v=1741604045"},{"product_id":"unison-research-triode-25-tube-integrated-amplifier","title":"Unison Research Triode 25 Tube Integrated Amplifier","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIn celebration of Unison Research's 25th anniversary, the Triode 25 Tube Integrated Amplifier was created as a tribute to the brand's rich history of innovation and quality. Building upon the legacy of the Triode 20, this amplifier is a harmonious blend of traditional tube sound and modern features. With the ability to switch between triode and pentode modes, along with a user-friendly bias adjustment, the Triode 25 is a versatile and powerful centerpiece for any high-fidelity audio system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\n\u003cspan\u003eKey Features\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cstrong\u003eDual Mode Operation: \u003c\/strong\u003eEasily toggle between triode and pentode modes to suit different music genres and listening preferences.\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cspan\u003e\u003cstrong\u003ePush-Pull Configuration: \u003c\/strong\u003eUtilizes EL34 tubes in a push-pull setup for enhanced efficiency and minimized distortion.\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eAdvanced Transformer Design: \u003c\/strong\u003eSymmetrical output transformer ensures linear signal reproduction with reduced harmonic distortion.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eModern Connectivity:\u003c\/strong\u003e Includes a 32-bit\/384kHz and DSD 128 compliant USB input for high-resolution digital audio sources.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cspan\u003e\u003cstrong\u003eUser-Friendly Interface:\u003c\/strong\u003e Simple bias adjustment system for maintaining optimal tube performance.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eAbout Unison Research\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUnison Research, founded in Italy, has a long-standing reputation for crafting high-fidelity audio equipment that marries traditional craftsmanship with cutting-edge technology. Each product reflects their passion for music and dedication to producing equipment that delivers both sonic excellence and visual beauty. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eTimeless Design\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Triode 25 is built with attention to detail, ensuring reliable performance. The push-pull circuit, driven by EL34 tubes, is designed to minimize distortion and deliver clear sound. The symmetrical output transformer is a crucial component, contributing to the amplifier’s consistent performance and durability. The solid construction also helps in reducing heat, thereby extending the life of the tubes.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eBuild Quality\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIn triode mode, the Triode 25 delivers a detailed, smooth sound, ideal for more intimate music. Pentode mode offers more than 45 watts per channel (6Ω load), providing the power and dynamics needed for a broader range of music. This dual-mode feature allows the Triode 25 to handle different musical styles and listening environments effectively.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eBalanced Performance\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWith dual operating modes and a USB input, the Triode 25 caters to both analog and digital audiophiles. The USB input supports 32-bit\/384kHz and DSD 128, making it compatible with the latest high-resolution audio formats. This makes the Triode 25 a versatile choice for modern audio systems.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eVersatility\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Triode 25 stands out for its versatility, featuring dual operating modes and modern digital connectivity. The inclusion of a USB input makes this amplifier particularly appealing to digital audiophiles who use their computer as a primary audio source. The USB input, compliant with 32-bit\/384kHz and DSD 128 standards, ensures compatibility with the latest high-resolution audio formats.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDesigned to integrate with a variety of audio systems, the Triode 25’s push-pull configuration and dual-mode operation make it adaptable to different speaker types. Whether paired with high-efficiency speakers or more demanding configurations, the Triode 25 delivers the power and clarity needed for an exceptional listening experience.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003eThe Listening Room Experience\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.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePush-pull, ultralinear, Class-AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 45 watt per channel in Ultralinear (Pentode) configuration\u003cbr\u003eApprox. 25 watt per channel Triode configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Linea ( 1 Tape ) , 1 USB DAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47 kOhm \/ 50 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Tape out, 1 Sub Out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNegative feedback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 dB or 1.8 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve complement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x ECC83, 1 x ECC82, 4 x EL34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300 watt max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.8 in x 17.7 in x 7.8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e44 lbs (20 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Cherry","offer_id":40271955361888,"sku":"URT25","price":3999.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":40271955394656,"sku":"URT25-BLK","price":3999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/TRIODE2525W_cherry.jpg?v=1744400292"},{"product_id":"unison-research-s6-stereo-integrated-tube-amplifier","title":"Unison Research S6 Stereo Integrated Tube Amplifier","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Unison Research S6 is a well-regarded integrated amplifier that combines thoughtful design with the quality craftsmanship Unison Research is known for. Over the years, the S6 has been updated and refined to maintain its reputation as a reliable and high-performing amplifier. Its elegant design, featuring wooden inlays on the front panel, underscores the attention to detail that comes with the \"Made in Italy\" label.\u003c\/span\u003e\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\u003eSingle-Ended Ultra-Parallel Configuration: \u003c\/strong\u003eCapable of driving most speakers, including those with low sensitivity.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eCustom Output Transformer: \u003c\/strong\u003eHandcrafted for linear frequency response and consistent sound quality.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003ePure Class A Operation:\u003c\/strong\u003e Delivers the warmth and detail typical of quality valve amplifiers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eGold-Plated Inputs and Outputs: \u003c\/strong\u003eEnsures lasting performance and reliable connections over time.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eHandcrafted Wooden Components:\u003c\/strong\u003e Adds a touch of craftsmanship and elegance to the design.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eHeat Management Design:\u003c\/strong\u003e Features an arc layout for power tubes and a stainless steel baseplate to manage heat effectively.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eAbout Unison Research\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUnison Research, founded in Italy, has a long-standing reputation for crafting high-fidelity audio equipment that marries traditional craftsmanship with cutting-edge technology. Each product reflects their passion for music and dedication to producing equipment that delivers both sonic excellence and visual beauty. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eDesign and Build Quality\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe S6 is designed for both performance and reliability. It uses a Single-Ended Ultra-Parallel configuration with three EL34 pentodes per channel, coupled to two triode preamp stages. The custom-built output transformer is designed to provide a linear frequency response, ensuring a balanced and accurate sound. \u003c\/span\u003e\u003cspan\u003eThe power transformer is robust, delivering the energy needed to operate the amplifier under various conditions. The design minimizes the number of electronic components in the audio path, helping to maintain the purity of the sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eAesthetic and Functional Design\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe S6’s design is both practical and visually appealing. The amplifier features handcrafted wooden components and precision-machined stainless steel rotary controls. The power tubes are arranged in an arc to facilitate heat dissipation, while a protective grille allows for proper ventilation without obstructing the view of the tubes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eSound Performance\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Unison Research S6 is designed to deliver detailed, dynamic sound with the warmth that valve amplifiers are known for. The sound quality has been carefully calibrated through extensive listening tests, achieving a balance between detail, transparency, and warmth.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eVersatility and Connectivity\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWith five line-level inputs and one tape output, the S6 offers a range of connectivity options for different audio sources. It’s versatile enough to drive a wide variety of speakers, including those with lower sensitivity.\u003c\/span\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\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eYour listening space is unique, and so are your needs. That's why we take the time to understand your preferences, your room acoustics, and your sonic dreams. We'll guide you through our range of hi-fi options, ensuring you find the perfect match for your space and budget. We believe in personal connections, exceptional service, and expert advice because when it comes to sound, there's no one-size-fits-all solution. Contact us to learn more.\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStereo Integrated Valve Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-ended parallel, ultralinear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePure Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30\/35 Watt\/channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 – 50,000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 tape, loudspeakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e265VA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 cm x 21 cm x 49 cm (L x H x P)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Cherry","offer_id":40271917056096,"sku":"URS6","price":5999.0,"currency_code":"USD","in_stock":false},{"title":"Black","offer_id":40271917088864,"sku":"URS6-BLK","price":5999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/products\/S6cherry.jpg?v=1741604177"},{"product_id":"unison-research-sinfonia-stereo-tube-integrated-amplifier","title":"Unison Research Sinfonia Stereo Tube Integrated Amplifier","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Unison Research Sinfonia Stereo Tube Amplifier merges classic tube technology with modern design to deliver a warm, detailed sound. This amplifier, part of Unison Research’s classic line, combines advanced engineering and high-quality materials, offering an authentic listening experience.\u003c\/span\u003e\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\u003ePure Class A Tube Amplification: \u003c\/strong\u003eFour KT88 tubes in a single-ended parallel ultra-linear configuration provide natural sound with minimal distortion.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eDual-Mono Design:\u003c\/strong\u003e Minimizes cross-channel interference, enhancing clarity and channel separation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eAdvanced Power Supply:\u003c\/strong\u003e High-voltage stabilized power supply with large heat sinks and a non-magnetic stainless steel top plate ensures consistent performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eAutomatic Bias Circuit:\u003c\/strong\u003e Adjusts for tube performance drift in real time, maintaining sound quality over the long term.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eVersatile Connectivity:\u003c\/strong\u003e Six gold-plated RCA inputs, speaker terminals for 4Ω and 8Ω loudspeakers, and a low-impedance output for active subwoofer connection.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eAbout Unison Research\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUnison Research, founded in Italy, has a long-standing reputation for crafting high-fidelity audio equipment that marries traditional craftsmanship with cutting-edge technology. Each product reflects their passion for music and dedication to producing equipment that delivers both sonic excellence and visual beauty. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eDesign\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Sinfonia amplifier is part of Unison Research’s classic line, which also includes the Preludio and Performance models. Inspired by the acclaimed Performance amplifier, the Sinfonia combines elegance with functionality. The control knobs are crafted from solid, non-magnetic stainless steel, offering a smooth, precise feel. Wooden accents not only enhance the visual appeal but also serve to dampen resonance, reducing unwanted vibrations that can interfere with sound quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eBuild\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Sinfonia is constructed with durable, high-quality materials. The chassis, made from non-magnetic stainless steel, helps keep internal components cool. The large heat sinks, essential for the high-voltage stabilized power supply, contribute to the amplifier's reliability and stability. Each component, from resistors to valve bases, has been carefully selected to ensure long-lasting performance.\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\u003eThe Sinfonia’s pure Class A amplification, driven by four KT88 tubes, delivers rich, warm sound with excellent linearity and minimal distortion. Its dual-mono design ensures each channel operates independently, reducing cross-channel interference and preserving sound integrity. The automatic bias circuit continuously adjusts the KT88 tubes to compensate for performance drift, ensuring consistent sound quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eVersatility\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDesigned for flexibility, the Sinfonia offers six gold-plated RCA inputs for connecting multiple audio sources. The amplifier’s advanced power supply provides a stable, high-quality output. Additionally, the Sinfonia includes a low-impedance output terminal for connecting an active subwoofer, making it adaptable to various audio setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003eThe Sinfonia's back panel is equipped with gold-plated speaker terminals compatible with 4Ω and 8Ω loudspeakers, ensuring broad compatibility. The low-impedance subwoofer output is directly linked to the pre-amplifier stage, offering reliable subwoofer performance without compromising overall sound quality.\u003cbr\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eThe Listening Room Experience\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\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.\u003cb id=\"docs-internal-guid-3f2b8644-7fff-75e3-a0e5-a732b8f69e3a\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual mono Stereo Integrated Valve Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003esingle ended parallel ultralinear A class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 line, 1 tape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 tape, 1 subwoofer, loudspeakers bi-wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 – 8 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeedback factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 – 30000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValves\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 x 6550\/KT88, 2 x ECC82, 2 x ECC83\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIR inputs and volume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimension\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e44 x 42 x 21 cm.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55 Ibs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Default Title","offer_id":40271287386208,"sku":"URSINFONIA","price":8799.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/products\/Sinfonia-mahogany-1.jpg?v=1741604390"},{"product_id":"unison-research-simply-845-tube-integrated-amplifier","title":"Unison Research Simply 845 Tube Integrated Amplifier","description":"\u003cp\u003eThe Unison Research Simply 845 Tube Integrated Amplifier is a masterful blend of Italian craftsmanship and audio engineering. This integrated amplifier delivers exceptional sonic performance while offering a captivating visual experience.\u003c\/p\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLegendary 845 direct-heated triodes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePure Class A amplification\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHandmade in-house custom transformers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eJapanese-made ALPS RK27 motorized volume control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSelf-biasing triodes for plug-and-play convenience\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eAbout Unison Research\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUnison Research, founded in Italy, has a long-standing reputation for crafting high-fidelity audio equipment that marries traditional craftsmanship with cutting-edge technology. Each product reflects their passion for music and dedication to producing equipment that delivers both sonic excellence and visual beauty. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eThe Magic of the Simply 845\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeautiful Tube Sound:\u003c\/strong\u003e\u003cspan\u003e Crafted with meticulous attention to detail,\u003c\/span\u003e\u003cspan\u003e the Simply 845 employs the legendary 845 direct-heated triodes,\u003c\/span\u003e\u003cspan\u003e renowned for their exceptional durability and captivating sound signature.\u003c\/span\u003e\u003cspan\u003e This pure Class A amplifier delivers a warm,\u003c\/span\u003e\u003cspan\u003e rich,\u003c\/span\u003e\u003cspan\u003e and harmonically rich listening experience that transports you to the heart of the music.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Design, Pristine Signal:\u003c\/strong\u003e\u003cspan\u003e Seamless integration of preamplifier and power amplifier stages eliminates the need for costly interconnect cables,\u003c\/span\u003e\u003cspan\u003e ensuring pristine signal transfer and optimal sound quality.\u003c\/span\u003e\u003cspan\u003e Compact design without compromising performance,\u003c\/span\u003e\u003cspan\u003e ideal for various listening environments.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Sonic Performance:\u003c\/strong\u003e\u003cspan\u003e The amplifier delivers a warm,\u003c\/span\u003e\u003cspan\u003e rich,\u003c\/span\u003e\u003cspan\u003e and detailed soundstage.\u003c\/span\u003e\u003cspan\u003e Its pure Class A amplification preserves musical nuances,\u003c\/span\u003e\u003cspan\u003e while its ability to handle complex passages showcases its engineering prowess.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatility and Compatibility:\u003c\/strong\u003e\u003cspan\u003e The Simply 845 excels with a variety of speakers,\u003c\/span\u003e\u003cspan\u003e creating a sense of space and depth.\u003c\/span\u003e\u003cspan\u003e It demonstrates its versatility by handling both demanding and less demanding loads.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSimply 845 Reviews\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003e\"The Simply 845 is capable of drama, delicacy, and danger which transcends reproduction turning the act of listening into full-fledged experience.\"\u003c!----\u003e\u003c!----\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e- Michael Lavorgna, \u003ca rel=\"noopener\" href=\"https:\/\/twitteringmachines.com\/review-unison-research-simply-845-integrated-amplifier\/\" target=\"_blank\"\u003eTwittering Machines\u003c\/a\u003e\u003cspan class=\"button-container ng-star-inserted\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/twitteringmachines.com\/review-unison-research-simply-845-integrated-amplifier\/\" target=\"_blank\"\u003e \u003c\/a\u003e\u003c!----\u003e\u003c\/span\u003e\u003cspan class=\"source-card-title-index ng-star-inserted\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c!----\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eRediscover the Magic of Analog\u003c\/h5\u003e\n\u003cp\u003eIndulge in the timeless allure of tube amplification with the Unison Research Simply 845 Tube Integrated Amplifier. Let the music come alive as you rediscover the magic of analog sound.\u003c\/p\u003e\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003eYour listening space is unique, and so are your needs. That's why we take the time to understand your preferences, your room acoustics, and your sonic dreams. We'll guide you through our range of hi-fi options, ensuring you find the perfect match for your space and budget. We believe in personal connections, exceptional service, and expert advice because when it comes to sound, there's no one-size-fits-all solution. Contact us to learn more.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated tube amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x 845 selected, 4 x ECC82\/12AU7 selected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePure class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBandwidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20Hz-50kHz, +0dB; -1dB @ 12W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeedback level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47 kΩ\/100pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 line level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 tape, 1 subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300VA\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\u003e37 cm x 26cm x 57 cm (14 1\/2 x 10 1\/4 x 22 1\/2  inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30.5 kg (67 Ibs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMains fuses\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100V-120V: 5x20mm – 6.3 AT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Default Title","offer_id":40271293087840,"sku":"URS845","price":10999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/UnisonResearchSimply845TubeIntegratedAmplifierDiagonalView.jpg?v=1741601067"},{"product_id":"unison-research-s6-black-edition-tube-integrated-amplifier","title":"Unison Research S6 Black Edition Tube Integrated Amplifier","description":"\u003cp\u003eThe Unison Research S6 Black Edition celebrates one of Unison Research’s most iconic amplifiers with enhanced technical design and a refined, modern look. With a power output \u003cstrong\u003eincreased to 40W \u003c\/strong\u003eand a sleek, piano-black wood panel and gunmetal finish, the S6 Black Edition is crafted to satisfy the most discerning audiophiles. Each detail, from the circuitry to the innovative input selection, has been reimagined to deliver pure Class A amplification that’s as beautiful to hear as it is to behold.\u003c\/p\u003e\n\u003ch5\u003eUnison Research New Special Editions\u003c\/h5\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIn celebration of Unison Research’s legacy, the S6 Black Edition is part of a special series, joining Black Editions of the Simply Italy and Triode 25 amplifiers. Each model in this exclusive collection features advanced technical upgrades and a refined, piano-black wood finish. With its enhanced circuitry, increased power output, and meticulous craftsmanship, the S6 Black Edition is crafted for audiophiles who seek both sound and sophistication. Be sure to explore the other Black Edition models for a complete Unison Research experience that combines style with substance.\u003c\/p\u003e\n\u003ch5\u003eS6 Black Edition Key Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Mono Amplification\u003c\/strong\u003e: Enhanced for optimal soundstage and separation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCathode Capacitor-Less Technology\u003c\/strong\u003e: Eliminates phase shift and low-frequency coloration, achieving a rich, natural sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Input Selection Circuit\u003c\/strong\u003e: Micro relays and Return GND technology minimize noise and maximize channel separation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated DAC3 Module\u003c\/strong\u003e: 4 analog and 3 digital inputs (USB up to PCM 384kHz and DSD256, Toslink, and SPDIF) for versatile connectivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eRevolutionized Sound Quality\u003c\/h5\u003e\n\u003cp\u003eThe S6 Black Edition introduces Cathode Capacitor-Less technology, removing traditional electrolytic capacitors from the power valves’ cathodes. This breakthrough in design maintains the integrity of the low frequencies, providing a clean, detailed response down to the lowest harmonics. By operating entirely in Class A with an ultralinear 20% tap, the S6 produces a sound that is richly dynamic and immersive, reproducing subtle micro-details with enhanced clarity.\u003c\/p\u003e\n\u003ch5\u003eOptimized Power Management\u003c\/h5\u003e\n\u003cp\u003eFeaturing a 7-section winding transformer, the S6 Black Edition is built to drive demanding modern loudspeakers, delivering a consistent 40W output for precise, effortless audio reproduction. The dedicated negative grid voltage power supply enhances control and stability, while carefully positioned polypropylene capacitors in the power supply ensure smooth transients and expansive dynamics.\u003c\/p\u003e\n\u003ch5\u003eExclusive Gold Lion Valves\u003c\/h5\u003e\n\u003cp\u003eEquipped with premium Gold Lion tubes, including two ECC83 triodes for preamplification and six KT77 tubes in parallel for output, the S6 Black Edition is fine-tuned for peak technical and acoustic performance. These valves are matched to deliver a lifelike sound experience, with an open, vibrant presentation free from distortion or feedback.\u003cstrong\u003e\u003c\/strong\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\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eYour listening space is unique, and so are your needs. That's why we take the time to understand your preferences, your room acoustics, and your sonic dreams. We'll guide you through our range of hi-fi options, ensuring you find the perfect match for your space and budget. We believe in personal connections, exceptional service, and expert advice because when it comes to sound, there's no one-size-fits-all solution. Contact us to learn more.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40W on 6Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal valves\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x ECC83 Gold Lion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput power valves\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 x KT77 Gold Lion in parallel for each channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Selector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelay Input Selector with Return GND Technology\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCircuit Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCathode Capacitor Less (CCL) technology, no autobias\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNoiseless as a solid-state amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePolarisation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epure Class A in ultralinear configuration with tap at 20% (power valves)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBias\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable for each power valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 line RCA, 1 USB, 1 SPDIF, 1 Toslink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 subwoofer RCA (stereo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBandwidth (-1dB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15Hz – 30kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (x y z)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 x 49 x 22 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25Kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Default Title","offer_id":41420219908192,"sku":"URS6BLKED","price":7499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/UnisonResearchS6BlackEditionTubeIntegratedAmplifierDiagonalSidephoto.jpg?v=1730846944"},{"product_id":"unison-research-triode-25-black-edition-tube-integrated-amplifier","title":"Unison Research Triode 25 Black Edition Tube Integrated Amplifier","description":"\u003cp\u003eThe Triode 25 Black Edition celebrates Unison Research's most successful integrated amplifier with enhanced circuitry and a striking piano black aesthetic. Delivering 50 watts in pentode mode or 30 watts in triode mode, the Triode 25 Black Edition features Gold Lion valves, an integrated DAC with USB input supporting PCM up to 384kHz and native DSD256, and the flexibility to fine-tune feedback and bias to match your speakers and preferences.\u003c\/p\u003e\n\n\u003ch5\u003eKEY FEATURES\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Operating Modes:\u003c\/strong\u003e Switch between 50W pentode and 30W triode for different speaker loads and sonic preferences\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGold Lion Valves:\u003c\/strong\u003e Premium 2x ECC83, 1x ECC82 signal tubes and 4x KT77 power tubes in push-pull configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated DAC3:\u003c\/strong\u003e USB (PCM to 384kHz, DSD native to 256x, DoP to 128x), Toslink, and SPDIF up to 192kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Feedback:\u003c\/strong\u003e Select 10dB or 12dB feedback to tune damping and tonal character\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser-Adjustable Bias:\u003c\/strong\u003e Fine-tune power tube operation for optimal performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Output:\u003c\/strong\u003e Unfiltered RCA output maintains the amplifier's sonic signature\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eBLACK EDITION UPGRADES\u003c\/h5\u003e\n\u003cp\u003eThe Black Edition features revised signal path and power management circuitry for lower distortion and increased headroom. The input selection uses micro relays with Return GND technology, matching the approach used in Unison Research's reference components. The premium piano black wood front panel and gun metal finish make a visual statement.\u003c\/p\u003e\n\n\u003ch5\u003eFLEXIBLE CONNECTIVITY\u003c\/h5\u003e\n\u003cp\u003eThree analog RCA inputs handle traditional sources, while the built-in DAC3 adds three digital inputs for streaming, computer audio, and optical sources. Pair with high-sensitivity speakers to experience the full potential of this amplifier. The subwoofer output lets you integrate a sub while maintaining the Triode 25's tube character throughout the bass range.\u003c\/p\u003e\n\n\u003ch5\u003eTHE LISTENING ROOM DIFFERENCE\u003c\/h5\u003e\n\u003cp\u003eWe are a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland. We bring decades of experience, personalized service, and honest guidance to every interaction.\u003c\/p\u003e\n\n\u003ch5\u003eSPECIFICATIONS\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50W (pentode) \/ 30W (triode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10Hz - 50kHz (-1dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Valves\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2x ECC83 + 1x ECC82 Gold Lion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Valves\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4x KT77 Gold Lion (push-pull)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass AB, ultralinear with 60% tap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3x RCA line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB, SPDIF, Toslink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStereo RCA subwoofer, line out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeedback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelectable 10dB \/ 12dB\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\u003e30 x 20 x 45 cm (11.8\" x 7.9\" x 17.7\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 kg (44 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Default Title","offer_id":42504886485088,"sku":"URT25BE","price":5999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/triode25be_01.jpg?v=1769019294"},{"product_id":"unison-research-simply-italy-black-edition-tube-integrated-amplifier","title":"Unison Research Simply Italy Black Edition Tube Integrated Amplifier","description":"\u003cp\u003eThe Simply Italy Black Edition delivers pure Class A tube amplification in a refined piano black package. With 10 watts from KT77 Gold Lion power tubes, this single-ended design pairs perfectly with high-sensitivity speakers like the Unison Research MAX series. The Black Edition adds a redesigned output transformer, integrated DAC3 with hi-res digital inputs, and the sophisticated input selection technology from Unison Research's reference components.\u003c\/p\u003e\n\n\u003ch5\u003eKEY FEATURES\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Class A Operation:\u003c\/strong\u003e 10W single-ended design with ultralinear output transformer (43% tap)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGold Lion Valves:\u003c\/strong\u003e 2x ECC82 signal tubes and 2x KT77 power tubes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedesigned Output Transformer:\u003c\/strong\u003e 5-section design optimized for KT77 tubes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Bias Adjustment:\u003c\/strong\u003e Precise control without auto-bias compromises\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated DAC3:\u003c\/strong\u003e USB (PCM to 384kHz, DSD native to 256x, DoP to 128x), Toslink, and SPDIF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Output:\u003c\/strong\u003e Unfiltered RCA maintains tube character\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eBLACK EDITION REFINEMENTS\u003c\/h5\u003e\n\u003cp\u003eThe Black Edition features a piano black wood front panel, gun metal finish, and updated graphics. 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