{"product_id":"unison-research-reference-monoblock-amplifiers-pair","title":"Unison Research Reference Monoblock Amplifiers; pair","description":"\u003cp\u003e\u003cstrong\u003eUnison Research Reference Monoblock Amplifiers\u003c\/strong\u003e are the flagship power amplifiers from the legendary Italian manufacturer, delivering pure Class A performance in a massive, no-compromise design. Each monoblock is a statement piece, built to drive the most demanding speakers with authority, grace, and tonal beauty that only high-current tube amplification can achieve.\u003c\/p\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e80W pure Class A output:\u003c\/strong\u003e Massive tube power from four 845 triodes per monoblock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble parallel single-ended design:\u003c\/strong\u003e Preserves tonal richness and fluid dynamics under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual chassis construction:\u003c\/strong\u003e Separates power and signal stages for better noise isolation and performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference-grade tube complement:\u003c\/strong\u003e 4 x 845, 1 x ECC82, 1 x ECC83 per amp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBi-wiring speaker outputs:\u003c\/strong\u003e Connect using 4 or 8 ohm taps for optimal matching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA and XLR inputs:\u003c\/strong\u003e Compatible with both balanced and single-ended preamps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlagship match:\u003c\/strong\u003e Engineered to pair with the Unison Research Reference Pre\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItalian-built, no-compromise design:\u003c\/strong\u003e Over 150 lbs of handcrafted detail and sonic authority\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eFlagship Power, Singular Purpose\u003c\/h5\u003e\n\u003cp\u003eDesigned as the perfect match for the Reference Pre Preamplifier, each Unison Research Reference Monoblock operates in pure Class A with a double parallel single-ended output stage. Using four 845 triodes per amp, this design produces 80 watts of muscular, harmonically rich power with breathtaking control and musicality.\u003c\/p\u003e\n\u003ch5\u003eHandcrafted Dual-Chassis Construction\u003c\/h5\u003e\n\u003cp\u003eEach monoblock is assembled in two sections to isolate power and signal paths. The result is not just reduced interference and better signal integrity, but also a commanding presence both visually and sonically. The craftsmanship is exceptional, from the Italian woodwork and brushed metal to the meticulously selected internal components.\u003c\/p\u003e\n\u003ch5\u003eTuned to the Demands of the Finest Systems\u003c\/h5\u003e\n\u003cp\u003eWith switchable output taps for 4 or 8 ohms and both RCA and XLR inputs, the Reference Monoblocks adapt to high-end systems without compromise. The amps are designed to handle even the most complex speaker loads, delivering a soundstage that is deep, dimensional, and richly layered.\u003c\/p\u003e\n\u003ch5\u003eTube Complement and Bias\u003c\/h5\u003e\n\u003cp\u003eEach monoblock is equipped with 4 x 845 output tubes, supported by 1 x ECC82 and 1 x ECC83 in the input\/driver stage. Internal circuitry and thermal design allow for long-term tube stability and minimal maintenance, while still allowing seasoned tube enthusiasts to roll valves if desired.\u003c\/p\u003e\n\u003ch5\u003eMatched with the Unison Research Reference Pre\u003c\/h5\u003e\n\u003cp\u003eThese amplifiers were born from the same engineering vision that created the Unison Research Reference Pre, and they perform best when paired together. \u003ca title=\"Unison Research Reference Pre\" href=\"\/products\/unison-research-reference-pre-stereo-tube-preamplifier\"\u003eView the Unison Research Reference Pre page to learn more\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch5\u003eReference Monoblock Reviews\u003c\/h5\u003e\n\u003cblockquote style=\"border-left: 6px solid #A3704D; background-color: #ffffff; padding: 1em 1.5em; font-style: italic; margin: 2em 0;\"\u003e“When everything settles and the mind calms, what's left is music: vivid, beautiful, whole, and rendered with uncommon care. The Unison Reference amplifiers turn spending into savoring, and savor them I did.” \u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-style: normal; display: block; margin-top: 0.5em;\"\u003e — Rogier van Bakel, \u003cem\u003eStereophile\u003c\/em\u003e \u003c\/span\u003e \u003cspan style=\"font-style: normal; display: block; margin-top: 0.5em;\"\u003e \u003ca href=\"https:\/\/www.stereophile.com\/content\/unison-research-reference-monoblock-power-amplifier\" style=\"color: #a3704d; text-decoration: underline;\" target=\"_blank\"\u003eRead the full article at Stereophile\u003c\/a\u003e \u003c\/span\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eThe Unison Research Reference Monoblock Amplifiers aren't the kind of products that get dumped precariously at your doorstep. At this level, white-glove matters. That’s why \u003cstrong\u003eMichael Hoatson, owner of The Listening Room\u003c\/strong\u003e, personally hand-delivers and installs these units nationwide \u003cstrong\u003efor free with purchase\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMike works closely with every customer to ensure proper system integration, voltage matching, gain staging, and phono configuration. No shipping company will handle this preamp with the care and technical precision he brings to your door.\u003c\/p\u003e\n\u003cp\u003eWe’re a \u003cstrong\u003ethird-generation, family-owned high-end audio store\u003c\/strong\u003e based in Chestertown, Maryland. You’ll speak directly with us: no chatbots, no middlemen, no call centers. Just expert advice, unmatched service, and a shared passion for sonic perfection.\u003c\/p\u003e\n\u003cp\u003eHave questions about pairing this with the right monoblocks, cartridges, or cabling? Call or email us anytime. We’re here for your entire hi-fi journey.\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eMono Valve Power Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Stage\u003c\/th\u003e\n\u003ctd\u003eDouble parallel single-ended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClass\u003c\/th\u003e\n\u003ctd\u003ePure Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValves\u003c\/th\u003e\n\u003ctd\u003e4 x 845, 1 x ECC82, 1 x ECC83\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Power\u003c\/th\u003e\n\u003ctd\u003e80 watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Response\u003c\/th\u003e\n\u003ctd\u003e20 Hz – 30 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFeedback Factor\u003c\/th\u003e\n\u003ctd\u003e14 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Impedance\u003c\/th\u003e\n\u003ctd\u003e4 Ohm and 8 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003eLoudspeakers bi-wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInputs\u003c\/th\u003e\n\u003ctd\u003e1 x RCA, 1 x XLR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Impedance\u003c\/th\u003e\n\u003ctd\u003e47 kOhm (RCA), 10 kOhm (XLR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003eApprox. 400 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e49 cm x 77.5 cm x H 28.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e70 kg \/ 155 lbs (each)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Default Title","offer_id":67848764326257,"sku":"URREFMA","price":30499.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5215\/1921\/files\/UnisonResearchReferenceMonoblockamplifiers-2ofthemdiagonalview_1cbd743c-4d5c-43cc-9a52-2770bf6d67f2.jpg?v=1792519303","url":"https:\/\/sliyden.store\/products\/unison-research-reference-monoblock-amplifiers-pair","provider":"sliyden.store","version":"1.0","type":"link"}