{"title":"Grimm Audio Loudspeakers","description":null,"products":[{"product_id":"grimm-audio-ls1c-loudspeaker","title":"Grimm Audio LS1c Loudspeaker","description":"\u003cp\u003eWhat if a loudspeaker was not just a passive box, but a complete, perfectly integrated playback system where every single element works in perfect harmony? This is the revolutionary vision behind the Grimm Audio LS1c. As the flagship of the LS1 series, the LS1c is the ultimate expression of this philosophy, a fully active loudspeaker that contains its own DSP, D\/A converters, and NCore power amplifiers. At its heart is a groundbreaking TPCD Carbon Composite tweeter, developed with SEAS, and an advanced DSP crossover with phase correction filters derived from the legendary MU1. The result is a level of transparency, phase coherency, and tactile imaging that is simply unattainable with separate components. This is not just a loudspeaker; it is a direct window to the original recording.\u003c\/p\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Integrated Active System:\u003c\/strong\u003e A complete playback system with internal DSP, D\/A converters, and NCore power amplifiers for the purest possible signal path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRevolutionary TPCD Carbon Tweeter:\u003c\/strong\u003e A unique, wide-dispersion tweeter developed with SEAS, providing incredible integration and a seamless, \"as one\" sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced DSP Crossover:\u003c\/strong\u003e A powerful DSP performs the crossover with ultimate precision and features advanced phase correction filters derived from the MU1 for extraordinary time coherency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnidirectional Sound Field:\u003c\/strong\u003e The speaker is designed to be unidirectional down to 250 Hz, dramatically reducing unwanted room reflections for a clearer, more focused stereo image.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperb Off-Axis Response:\u003c\/strong\u003e Delivers a consistent, high-quality sound over a wide listening area, not just in a single \"sweet spot.\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital and Analog Inputs:\u003c\/strong\u003e Accepts both digital and analog sources for complete system flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Resolution Playback:\u003c\/strong\u003e Supports 64\/128 fs DSD and DXD playback via the optional LS1i USB interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Subwoofer Integration:\u003c\/strong\u003e Features a filtered analog subwoofer output designed for perfect integration with the \u003ca href=\"\/products\/grimm-audio-sb1-motion-feedback-subwoofer\"\u003eSB1\u003c\/a\u003e Digital Motion Feedback subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Distortion Amplification:\u003c\/strong\u003e Employs super-low distortion NCore class D power amps to drive the woofer (250W) and tweeter (100W) with absolute control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElegant Cabinetry:\u003c\/strong\u003e Available in a stylish ‘Hi-Macs’ synthetic stone finish, traditional bamboo veneer, or a classic lacquer look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Controllable:\u003c\/strong\u003e Volume and source selection can be controlled via the optional \u003ca href=\"\/products\/grimm-audio-ls1r-controller\"\u003eLS1r\u003c\/a\u003e remote controller.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eThe \"One System\" Philosophy\u003c\/h5\u003e\n\u003cp\u003eThe LS1c is built on a radical principle: ultimate transparency can only be achieved when the entire playback chain is a single, optimized system. By integrating the DSP, D\/A converters, amplifiers, and drivers into one chassis, Grimm Audio's designers have complete control over every interaction. This allows them to correct for nonlinearities in a way that is simply impossible with separate components. The result is an incredibly linear amplitude and phase response, vanishingly low distortion, and a sound that is so coherent and seamless it sounds as if it's emanating from a single point in space.\u003c\/p\u003e\n\u003ch5\u003eThe Revolutionary Carbon Tweeter\u003c\/h5\u003e\n\u003cp\u003eThe flagship LS1c is defined by its groundbreaking TPCD Carbon Composite tweeter. This driver, developed in cooperation with SEAS, offers a uniquely wide dispersion pattern that contributes to the speaker's vast, stable, and \"tactile\" stereo image. This is a key component in the LS1c's ability to sound so completely integrated across the entire frequency band. The speaker's clever acoustic design maintains this controlled, unidirectional dispersion down to 250 Hz, meaning you hear more of the music and less of your room's acoustic signature, resulting in a dramatic increase in clarity and focus.\u003c\/p\u003e\n\u003ch5\u003eThe Brain: Advanced DSP Correction\u003c\/h5\u003e\n\u003cp\u003eThe LS1c's digital signal processor is far more than a simple crossover. It is the brain of the entire system, meticulously correcting the frequency curve to be perfectly linear. More importantly, it applies advanced phase correction filters, a technology derived from the development of the legendary MU1 music player. This extraordinary phase coherency is the secret to the LS1c's uncanny ability to reproduce the subtlest rhythmic structures and microdynamics in a recording. It's this level of temporal accuracy that makes the sound so natural, realistic, and completely non-fatiguing, inviting you to listen for hours on end.\u003c\/p\u003e\n\u003ch5\u003eThe Foundation: Digital Motion Feedback Bass\u003c\/h5\u003e\n\u003cp\u003eWhile the LS1c is a stunning performer on its own, it is designed for a seamless partnership with the SB1 subwoofer. The LS1c provides a dedicated, filtered analog output to drive the SB1, which features its own revolutionary Digital Motional Feedback (DMF) technology. This system lowers the subwoofer's distortion by an incredible 30 dB and pushes its resonance frequency below 20 Hz. When combined, the LS1c and SB1 create a truly full-range system that delivers bass with a level of detail, control, and authority that is simply unparalleled.\u003c\/p\u003e\n\u003ch5\u003eGrimm L1Sc Reviews\u003c\/h5\u003e\n\u003cdiv class=\"gold-quote\"\u003e\n\u003cblockquote style=\"border-left: 4px solid #CBA74F; padding: 1rem 1.5rem; background-color: #ffffff; color: #333333; font-style: italic; font-size: 1rem; margin: 2rem 0;\"\u003e\n\u003cp\u003e“If I didn't often have to swap amplifiers, preamps, source components, and cables for a living, I'd hold on to these exceptional monitors and enjoy the hell out of them for the rest of my days. They're that good.”\u003c\/p\u003e\n\u003cfooter style=\"font-style: normal; font-weight: 500; color: #cba74f; margin-top: 0.5rem;\"\u003e— Rogier van Bakel, \u003ca style=\"color: #cba74f;\" rel=\"noopener noreferrer\" href=\"https:\/\/www.stereophile.com\/content\/grimm-audio-ls1c-active-loudspeaker-system\" target=\"_blank\"\u003e Stereophile \u003c\/a\u003e\u003c\/footer\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eWhen you shop with The Listening Room, you get more than just gear. As a third-generation, family-run business with a passion for music and decades of experience, we offer personalized service that goes far beyond the sale. Call, text, or email, and you’ll get a real human who knows this equipment inside and out. From in-store demos to curated home system design and wide-radius delivery, we’re here to help you get the absolute best out of your purchase.\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable border=\"1\"\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\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e20 Hz - 27 kHz +0.5dB\/-3dB.\u003cbr\u003e30 Hz - 20 kHz +\/- 0.5dB (unsmoothed!)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeviation from linear phase\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10 Degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax SPL\u003c\/td\u003e\n\u003ctd\u003e(about) 105dB \/ 1m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax analog input level\u003c\/td\u003e\n\u003ctd\u003e19 dBu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal to noise ratio\u003c\/td\u003e\n\u003ctd\u003e114dB (unweighted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eAmplification \u0026amp; Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier power\u003c\/td\u003e\n\u003ctd\u003e250 W (woofer); 100 W (tweeter); 400 Watt (per Sub)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003eIdle power, drawn from mains: 16W per LS1.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLS1i USB Power\u003c\/td\u003e\n\u003ctd\u003eCurrent drawn from USB: 250mA. Maximum allowed USB cable length: 2m.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eCrossover \u0026amp; Processing\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossover functions\u003c\/td\u003e\n\u003ctd\u003e1550 Hz - 4th order Linkwitz Riley, sum corrected to linear phase.\u003cbr\u003e70 Hz - 2nd order Linkwitz Riley (3-way system) sum corrected to linear phase in normal mode, not corrected in ’low-latency‘ mode.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported sample rates\u003c\/td\u003e\n\u003ctd\u003e44.1 - 192 kHz.\u003cbr\u003eVia USB with LS1i USB interface: 44.1 - 384 kHz ('DXD'), DSD64 and DSD128.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatency\u003c\/td\u003e\n\u003ctd\u003e7.3 ms (2-way and in ’low-latency‘ mode).\u003cbr\u003e40 ms (3-way).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefault Level Setting\u003c\/td\u003e\n\u003ctd\u003e’0‘ setting gives 79 dBC at listening position with a -20 dBFS reference noise (’K14‘).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Height)\u003c\/td\u003e\n\u003ctd\u003e1150mm (Hi-fi use) or 1450mm (Studio use)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Width, Depth)\u003c\/td\u003e\n\u003ctd\u003e520mm x 160mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal cabinet volume\u003c\/td\u003e\n\u003ctd\u003e14 liters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Grimm Audio","offers":[{"title":"White Lacquer","offer_id":42199302799456,"sku":"GRILS1CWL","price":28850.0,"currency_code":"USD","in_stock":true},{"title":"Black Lacquer","offer_id":42199302832224,"sku":"GRILS1CBL","price":30300.0,"currency_code":"USD","in_stock":true},{"title":"Lacquer in any RAL Classic color (Lead time 4 weeks)","offer_id":42199302864992,"sku":"GRILS1CRL","price":30300.0,"currency_code":"USD","in_stock":true},{"title":"Caramel Bamboo veneer","offer_id":42199302897760,"sku":"GRILS1CCB","price":30300.0,"currency_code":"USD","in_stock":true},{"title":"Naturel Bamboo veneer","offer_id":42199302930528,"sku":"GRILS1CNB","price":30300.0,"currency_code":"USD","in_stock":true},{"title":"White Hi-MacsTM","offer_id":42199302963296,"sku":"GRILS1CWH","price":35900.0,"currency_code":"USD","in_stock":true},{"title":"Custom Hi-MacsTM finish (Lead time 8 weeks)","offer_id":42199302996064,"sku":"GRILS1CCU","price":40400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/LS1c.jpg?v=1754410063"},{"product_id":"grimm-audio-ls1v2-loudspeaker","title":"Grimm Audio LS1v2 Loudspeaker","description":"\u003cp\u003eFor decades, audiophiles have been told they must choose between accuracy and musicality. The Grimm Audio LS1v2 is the revolutionary loudspeaker system that proves you can have both. This is not just a loudspeaker; it is a complete, fully integrated audio system that houses its own state-of-the-art DSP, D\/A converters, and NCore power amplifiers within its elegant legs. By controlling the entire playback chain from a single design vision, the LS1v2 achieves a level of time-domain accuracy and frequency linearity that is simply impossible with separate components. The result is a sound of breathtaking transparency that reproduces a beautiful recording with all its emotion intact, while also being an unflinchingly honest tool for the most demanding audio professionals.\u003c\/p\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Integrated Active System:\u003c\/strong\u003e A complete playback system with internal DSP, D\/A converters, and NCore power amplifiers for the purest possible signal path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDSP Controlled Frequency Curve:\u003c\/strong\u003e A powerful DSP linearizes the frequency response and allows for a controlled bass response down to 35 Hz from a compact cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced DSP Crossover:\u003c\/strong\u003e A 4th order IIR crossover with subsequent phase correction results in a maximally linear phase response without the pre-ringing artifacts of FIR designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnidirectional Sound Field:\u003c\/strong\u003e The unique wide-baffle cabinet is designed to be unidirectional down to 250 Hz, dramatically reducing unwanted room reflections for a clearer, more focused stereo image.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudiophile Quality Seas Drivers:\u003c\/strong\u003e Features a high-quality 8” magnesium woofer and a 1” dome tweeter for superb resolution and natural tonality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper Low Distortion Amplification:\u003c\/strong\u003e Employs two 180W NCore class D power amps per speaker for absolute control and vanishingly low distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital and Analog Inputs:\u003c\/strong\u003e Accepts both digital and analog sources for complete system flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Subwoofer Integration:\u003c\/strong\u003e Features a filtered analog subwoofer output designed for perfect integration with the \u003ca href=\"\/products\/grimm-audio-sb1-motion-feedback-subwoofer\"\u003eSB1\u003c\/a\u003e Digital Motion Feedback subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLegendary Grimm Clocking:\u003c\/strong\u003e The internal digital processing utilizes the same ultra-low jitter clock circuit found in the legendary Grimm \u003ca href=\"\/products\/grimm-audio-cc1-master-clock\"\u003eCC1\u003c\/a\u003e master clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Controllable:\u003c\/strong\u003e Volume and source selection can be controlled via the optional \u003ca href=\"\/products\/grimm-audio-ls1r-controller\"\u003eLS1r\u003c\/a\u003e remote controller or \u003ca href=\"\/products\/grimm-audio-mu1-music-streamer\"\u003eMU1\u003c\/a\u003e music player.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eThe \"One System\" Philosophy\u003c\/h5\u003e\n\u003cp\u003eThe LS1v2 is built on a radical principle: ultimate transparency can only be achieved when the entire playback chain is a single, optimized system. By integrating the DSP, D\/A converters, amplifiers, and drivers into one chassis, Grimm Audio's designers have complete control over every interaction. This allows them to correct for nonlinearities in a way that is simply impossible with separate components. The result is an incredibly linear amplitude and phase response, vanishingly low distortion, and a sound that is so coherent and seamless it sounds as if it's emanating from a single point in space.\u003c\/p\u003e\n\u003ch5\u003eAcoustic Precision by Design\u003c\/h5\u003e\n\u003cp\u003eThe unique form of the LS1v2 is a direct result of its acoustic function. The small, 14-litre sealed cabinet is much wider than it is deep, creating an effective baffle that controls the sound dispersion down to 250 Hz. This unidirectional characteristic means you hear more of the direct sound from the speaker and less of the reflected sound from your room's walls, resulting in a dramatically clearer and more stable stereo image. The cabinet is suspended between two elegant legs, which not only provide support but also combat diffraction for a smoother, more natural sound.\u003c\/p\u003e\n\u003ch5\u003eThe Brain: Advanced DSP Correction\u003c\/h5\u003e\n\u003cp\u003eThe LS1v2's digital signal processor is far more than a simple crossover. It is the brain of the entire system, meticulously correcting the frequency curve to be perfectly linear. Grimm Audio employs a sophisticated IIR crossover that imposes exact acoustic slopes, and then corrects the phase using an idealised inverted all-pass filter. This unique approach results in a maximally linear phase response without the pre-echo artifacts that can give FIR-based DSP speakers a \"digital\" sound signature. It’s this level of temporal accuracy that makes the sound so natural, realistic, and completely non-fatiguing.\u003c\/p\u003e\n\u003ch5\u003eThe Heart of a Professional System\u003c\/h5\u003e\n\u003cp\u003eDespite its elegant looks, the LS1v2 is a formidable professional tool, intended as a main monitor in the most demanding mixing and mastering studios. Its unflinching accuracy reveals every imperfection in a recording, while its inherent musicality makes long working sessions a pleasure. For those requiring full-range, high-SPL performance, the DSP-controlled subwoofer output allows for perfect integration with the SB1 subwoofer, effectively turning the LS1v2 into a perfectly phase-aligned three-way system. When paired with the MU1 music player, the entire system can be controlled with seamless elegance.\u003c\/p\u003e\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eWhen you shop with The Listening Room, you get more than just gear. As a third-generation, family-run business with a passion for music and decades of experience, we offer personalized service that goes far beyond the sale. Call, text, or email, and you’ll get a real human who knows this equipment inside and out. From in-store demos to curated home system design and wide-radius delivery, we’re here to help you get the absolute best out of your purchase.\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable border=\"1\"\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\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e20 Hz - 27 kHz +0.5dB\/-3dB.\u003cbr\u003e30 Hz - 20 kHz +\/- 0.5dB (unsmoothed!)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeviation from linear phase\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10 Degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax SPL\u003c\/td\u003e\n\u003ctd\u003e(about) 105dB \/ 1m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax analog input level\u003c\/td\u003e\n\u003ctd\u003e19 dBu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal to noise ratio\u003c\/td\u003e\n\u003ctd\u003e114dB (unweighted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eAmplification \u0026amp; Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier power\u003c\/td\u003e\n\u003ctd\u003e250 W (woofer); 100 W (tweeter); 400 Watt (per Sub). Note: Source text also mentions 180W Class D amps.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003eIdle power, drawn from mains: 16W per LS1.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLS1i USB Power\u003c\/td\u003e\n\u003ctd\u003eCurrent drawn from USB: 250mA. Maximum allowed USB cable length: 2m.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eCrossover \u0026amp; Processing\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossover functions\u003c\/td\u003e\n\u003ctd\u003e1550 Hz - 4th order Linkwitz Riley, sum corrected to linear phase.\u003cbr\u003e70 Hz - 2nd order Linkwitz Riley (3-way system) sum corrected to linear phase in normal mode, not corrected in ’low-latency‘ mode.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported sample rates\u003c\/td\u003e\n\u003ctd\u003e44.1 - 192 kHz.\u003cbr\u003eVia USB with LS1i USB interface: 44.1 - 384 kHz ('DXD'), DSD64 and DSD128.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatency\u003c\/td\u003e\n\u003ctd\u003e7.3 ms (2-way and in ’low-latency‘ mode).\u003cbr\u003e40 ms (3-way).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefault Level Setting\u003c\/td\u003e\n\u003ctd\u003e’0‘ setting gives 79 dBC at listening position with a -20 dBFS reference noise (’K14‘).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Height)\u003c\/td\u003e\n\u003ctd\u003e1150mm (Hi-fi use) or 1450mm (Studio use)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Width, Depth)\u003c\/td\u003e\n\u003ctd\u003e520mm x 160mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal cabinet volume\u003c\/td\u003e\n\u003ctd\u003e14 liters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Grimm Audio","offers":[{"title":"White Lacquer","offer_id":42199303061600,"sku":"GRILS1VWL","price":21300.0,"currency_code":"USD","in_stock":true},{"title":"Black Lacquer","offer_id":42199303094368,"sku":"GRILS1VBL","price":22800.0,"currency_code":"USD","in_stock":true},{"title":"Lacquer in any RAL Classic color (Lead time 4 weeks)","offer_id":42199303127136,"sku":"GRILS1VRL","price":22800.0,"currency_code":"USD","in_stock":true},{"title":"Caramel Bamboo veneer","offer_id":42199303159904,"sku":"GRILS1VCB","price":22800.0,"currency_code":"USD","in_stock":true},{"title":"Naturel Bamboo veneer","offer_id":42199303192672,"sku":"GRILS1VNB","price":22800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/LS1-black.jpg?v=1756544778"},{"product_id":"grimm-audio-ls1a-loudspeaker","title":"Grimm Audio LS1a Loudspeaker","description":"\u003cp\u003eFor the music lover who desires the legendary transparency of the Grimm Audio LS1 system, the LS1a is the long-awaited answer. It embodies the exact same vision as its more costly siblings: that ultimate sonic purity can only be achieved by integrating the entire playback chain—DSP, converters, amplifiers, and drivers—into a single, perfectly optimized system. The LS1a possesses all the essential qualities that make the LS1 a true reference, delivering breathtaking clarity and a perfectly linear phase and amplitude response. Through a series of rational design choices, Grimm Audio has made this reference-level performance accessible to a wider audience. This is not a compromised design; it is the pure, uncolored Grimm Audio experience, simplified.\u003c\/p\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Integrated Active System:\u003c\/strong\u003e A complete playback system with internal DSP, D\/A converters, and NCore power amplifiers for the purest possible signal path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDSP Controlled Frequency Curve:\u003c\/strong\u003e A powerful DSP linearizes the frequency response, ensuring a perfectly neutral and accurate sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnidirectional Sound Field:\u003c\/strong\u003e The unique wide-baffle cabinet is designed to be unidirectional down to 250 Hz, dramatically reducing unwanted room reflections for a clearer, more focused stereo image.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperb Off-Axis Response:\u003c\/strong\u003e Delivers a consistent, high-quality sound over a wide listening area, not just in a single \"sweet spot.\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital and Analog Inputs:\u003c\/strong\u003e Accepts both digital (three AES\/EBU) and analog sources for complete system flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Subwoofer Integration:\u003c\/strong\u003e Features a filtered analog subwoofer output designed for perfect integration with the \u003ca href=\"\/products\/grimm-audio-ls1s-subwoofer\"\u003eLS1s\u003c\/a\u003e or \u003ca href=\"\/products\/grimm-audio-sb1-motion-feedback-subwoofer\"\u003eSB1\u003c\/a\u003e subwoofers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Distortion Amplification:\u003c\/strong\u003e Employs super-low distortion NCore class D power amps for absolute control and vanishingly low distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Controllable:\u003c\/strong\u003e Volume and source selection can be controlled via the optional \u003ca href=\"\/products\/grimm-audio-ls1r-controller\"\u003eLS1r\u003c\/a\u003e remote controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElegant Lacquered Finish:\u003c\/strong\u003e The cabinet is finished in a beautiful, durable lacquer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eThe \"One System\" Philosophy, Made Accessible\u003c\/h5\u003e\n\u003cp\u003eThe LS1a is built on a radical principle: ultimate transparency can only be achieved when the entire playback chain is a single, optimized system. By integrating the DSP, D\/A converters, amplifiers, and drivers into one chassis, Grimm Audio's designers have complete control over every interaction. This allows them to correct for nonlinearities in a way that is simply impossible with separate components. The LS1a brings this revolutionary philosophy to a new price point, delivering the incredibly linear amplitude and phase response that has made the LS1 series a legend in professional and audiophile circles.\u003c\/p\u003e\n\u003ch5\u003eRational Choices, Reference Performance\u003c\/h5\u003e\n\u003cp\u003eThe key to the LS1a's value lies in a series of intelligent, rational design choices. While it retains the exact same DSP engine, amplification, and acoustic design as its siblings, it features a high-quality non-magnesium woofer, a lighter foot plate, and a classic lacquered cabinet finish. Furthermore, while every LS1a benefits from the precise Computer Aided Calibration process during production, it forgoes the final, time-intensive individual acoustic calibration of each specific cabinet. These choices significantly reduce the cost without altering the core reference-level performance and breathtaking transparency that define the LS1 experience.\u003c\/p\u003e\n\u003ch5\u003eAcoustic Precision by Design\u003c\/h5\u003e\n\u003cp\u003eThe unique form of the LS1a is a direct result of its acoustic function. The small, 14-litre sealed cabinet is much wider than it is deep, creating an effective baffle that controls the sound dispersion down to 250 Hz. This unidirectional characteristic means you hear more of the direct sound from the speaker and less of the reflected sound from your room's walls, resulting in a dramatically clearer and more stable stereo image. This clever design also allows for placement closer to a wall than traditional speakers, making it a perfect solution for a variety of listening spaces.\u003c\/p\u003e\n\u003ch5\u003eA System Ready to Grow\u003c\/h5\u003e\n\u003cp\u003eThe LS1a is a stunning full-range performer on its own. For those seeking to create a truly state-of-the-art three-way system, it is designed for perfect integration with Grimm Audio's subwoofers. The filtered analog subwoofer output provides a seamless connection to the LS1s or the flagship SB1 Digital Motion Feedback subwoofer. This creates a perfectly phase-aligned, full-range system capable of handling any musical genre in any size room with breathtaking authority and control.\u003c\/p\u003e\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eWhen you shop with The Listening Room, you get more than just gear. As a third-generation, family-run business with a passion for music and decades of experience, we offer personalized service that goes far beyond the sale. Call, text, or email, and you’ll get a real human who knows this equipment inside and out. From in-store demos to curated home system design and wide-radius delivery, we’re here to help you get the absolute best out of your purchase.\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable border=\"1\"\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\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e20 Hz - 27 kHz +0.5dB\/-3dB.\u003cbr\u003e30 Hz - 20 kHz +\/- 0.5dB (unsmoothed!)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeviation from linear phase\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10 Degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax SPL\u003c\/td\u003e\n\u003ctd\u003e(about) 105dB \/ 1m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax analog input level\u003c\/td\u003e\n\u003ctd\u003e19 dBu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal to noise ratio\u003c\/td\u003e\n\u003ctd\u003e114dB (unweighted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eAmplification \u0026amp; Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier power\u003c\/td\u003e\n\u003ctd\u003e250 W (woofer); 100 W (tweeter); 400 Watt (per Sub)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003eIdle power, drawn from mains: 16W per LS1.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLS1i USB Power\u003c\/td\u003e\n\u003ctd\u003eCurrent drawn from USB: 250mA. Maximum allowed USB cable length: 2m.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eCrossover \u0026amp; Processing\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossover functions\u003c\/td\u003e\n\u003ctd\u003e1550 Hz - 4th order Linkwitz Riley, sum corrected to linear phase.\u003cbr\u003e70 Hz - 2nd order Linkwitz Riley (3-way system) sum corrected to linear phase in normal mode, not corrected in ’low-latency‘ mode.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported sample rates\u003c\/td\u003e\n\u003ctd\u003e44.1 - 192 kHz.\u003cbr\u003eVia USB with LS1i USB interface: 44.1 - 384 kHz ('DXD'), DSD64 and DSD128.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatency\u003c\/td\u003e\n\u003ctd\u003e7.3 ms (2-way and in ’low-latency‘ mode).\u003cbr\u003e40 ms (3-way).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefault Level Setting\u003c\/td\u003e\n\u003ctd\u003e’0‘ setting gives 79 dBC at listening position with a -20 dBFS reference noise (’K14‘).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Height)\u003c\/td\u003e\n\u003ctd\u003e1150mm (Hi-fi use) or 1450mm (Studio use)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Width, Depth)\u003c\/td\u003e\n\u003ctd\u003e520mm x 160mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal cabinet volume\u003c\/td\u003e\n\u003ctd\u003e14 liters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Grimm Audio","offers":[{"title":"White Lacquer","offer_id":42199303520352,"sku":"GRILS1AWL","price":16850.0,"currency_code":"USD","in_stock":true},{"title":"Black Lacquer","offer_id":42199303553120,"sku":"GRILS1ABL","price":18300.0,"currency_code":"USD","in_stock":true},{"title":"Lacquer in any RAL Classic color (Lead time 4 weeks)","offer_id":42199303585888,"sku":"GRILS1ARL","price":18300.0,"currency_code":"USD","in_stock":true},{"title":"Caramel Bamboo veneer","offer_id":42199303618656,"sku":"GRILS1ACB","price":18300.0,"currency_code":"USD","in_stock":true},{"title":"Naturel Bamboo veneer","offer_id":42199303651424,"sku":"GRILS1ANB","price":18300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/LS1a_caramel_bamboofront.jpg?v=1756544751"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/collections\/LS1c.jpg?v=1779452597","url":"https:\/\/listenroom.com\/collections\/grimm-audio-loudspeakers.oembed","provider":"The Listening Room","version":"1.0","type":"link"}