{"product_id":"unison-research-unico-primo-integrated-amplifier","title":"Unison Research Unico Primo Integrated Amplifier","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Unison Research Unico Primo is a hybrid integrated amplifier that pairs a Class A ECC83 triode tube input stage with a Dynamic Class A MOSFET output stage, delivering more than 80 watts per channel into 8 ohms. It is the entry point to the Unico line, hand-built in Treviso, Italy, and it brings the tonal warmth of a tube preamp to the grip and reliability of solid-state power. The version we sell ships with the moving-magnet\/moving-coil phono board factory-installed, so a turntable plugs straight in.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eKey Features of the Unison Research Unico Primo\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eHybrid valve\/solid-state design:\u003c\/strong\u003e an ECC83 (12AX7) triode runs in Class A as the only gain stage, feeding a complementary POWER MOSFET output stage.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eOver 80 watts per channel into 8 ohms:\u003c\/strong\u003e enough current and headroom to drive a wide range of real-world bookshelf and floorstanding speakers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eFactory-installed MM\/MC phono stage:\u003c\/strong\u003e switchable between moving-magnet and moving-coil cartridges, ready for vinyl out of the box (a paid option on the bare unit).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eShort, pure signal path:\u003c\/strong\u003e after the input selector and Alps volume potentiometer, the signal passes a single polypropylene capacitor and the tube, with no other capacitors in the path.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eDual speaker binding posts:\u003c\/strong\u003e two pairs of terminals per channel for bi-wiring.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eSubwoofer output:\u003c\/strong\u003e a dedicated RCA sub-out lets you build a 2.1 or 2.2 system without changing amplifiers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eWood-trimmed remote control:\u003c\/strong\u003e a motorized volume remote that also operates a matching Unison Research CD player.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eWhat Dynamic Class A Means\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUnison Research calls the Unico Primo's output stage \"Dynamic Class A.\" A microchip regulates the bias so the MOSFET output devices are never switched fully off, even on signal peaks, which keeps the amplifier out of the harder-edged territory that classic Class A\/B designs can fall into. It is not pure Class A, and it does not run hot the way a pure Class A amplifier would, but it holds the output devices in their most linear region for the bulk of normal listening. The result is a hybrid that reads as smooth and composed rather than as either a sharp solid-state amp or a soft, romantic valve amp.\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 Unico Primo is built around a large in-house toroidal transformer, Italian-made Itelcond aluminum capacitors, and copper internal wiring. Unison Research winds its own transformers in Treviso and designates each one for a specific model, so nothing here is an off-the-rack part. The slim chassis hides real mass: at 14 kg the amplifier feels planted, and louvers in the top panel let it shed heat so it runs cooler than most solid-state integrateds at idle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/primo_front_silver.jpg?v=1780693708\" alt=\"Unison Research Unico Primo integrated amplifier front panel in silver\" style=\"width:100%;max-width:1000px;height:auto;border-radius:12px;margin:16px 0;\"\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe front is a thick brushed-aluminum faceplate carrying two oversize knobs, a rotary source selector and a volume control on a motorized Alps potentiometer, with a turned wood oval bearing the Unison Research logo. The knurled volume action is one of the more satisfying tactile details at this price. The standard finish is silver, with black available as a special order.\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\u003eBecause the only active gain stage is the ECC83 triode, the Unico Primo carries a trace of tube character without the obvious coloration that puts some listeners off valve amplifiers. Reviewers consistently describe it as warmish of neutral, with strong dynamics, a large soundstage, and bass that stays tuneful and weighty. The MOSFET output gives it the grip to stay composed as the volume climbs, which is where many affordable amplifiers start to harden up. It rewards a clean source and a capable pair of speakers, and it has the resolution to make the difference between recordings obvious.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eConnectivity and Versatility\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0555\/5073\/8528\/files\/primo_rear_panel.jpg?v=1780693711\" alt=\"Unison Research Unico Primo rear panel inputs and speaker binding posts\" style=\"width:100%;max-width:1000px;height:auto;border-radius:12px;margin:16px 0;\"\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe rear panel carries five RCA inputs plus a tape loop, and on our units one of those inputs is fitted as the moving-magnet\/moving-coil phono stage, switchable with internal jumpers. That leaves room for a CD player, streamer, tuner, and a turntable. Two pairs of speaker binding posts per channel support bi-wiring, and the dedicated subwoofer output lets you add a sub for a 2.1 or 2.2 setup. That subwoofer output is a genuinely useful feature: it extends the amplifier's reach into larger rooms and bass-heavy material without forcing an upgrade, which helps the Primo stay relevant in a system as it grows.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eAbout Unison Research\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUnison Research has built high-fidelity amplifiers and loudspeakers in Treviso, Italy since 1987, with designs by founder Giovanni Maria Sacchetti. The company is known for tube and hybrid amplifiers that marry traditional craftsmanship, hand-finished wood and turned metal, with circuits built and assembled in-house. The Unico Primo distills that approach into the most affordable amplifier in the range, and it has become one of the brand's best-selling models on the strength of it.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eExplore the Unison Research Unico Line\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Unico Primo is the entry point to Unison Research's Unico hybrid integrated range. Step up to the \u003ca href=\"\/products\/unison-research-unico-nuovo-integrated-amplifier\"\u003eUnico Nuovo\u003c\/a\u003e for more power and a larger chassis. At the top, the flagship \u003ca href=\"\/products\/unison-research-unico-150-integrated-amplifier\"\u003eUnico 150\u003c\/a\u003e delivers 150 watts per channel for demanding speakers and larger rooms.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eThe Listening Room Difference\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWe're a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on exceptional service and relentless passion for hifi. Whether you're visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don't just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection. Our passion is helping you get the most out of your gear, with support that lasts well beyond the sale.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 dir=\"ltr\"\u003e\u003cspan\u003eUnison Research Unico Primo Specifications\u003c\/span\u003e\u003c\/h5\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;\"\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\u003ctd style=\"width:34%;background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eOutput power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width:66%;padding:12px;\"\u003e\u0026gt; 80W RMS into 8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eOutput stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003eComplementary POWER MOSFET pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003ePolarization\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003eDynamic Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eInput stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003eClass A triode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eValve\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e1 x ECC83 (12AX7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eInput sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e260mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eInput impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e50 kΩ \/ 47 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eFrequency response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e-0.1dB @ 10Hz \/ -0.5dB @ 100kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eDamping factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e\u0026gt; 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eNegative feedback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e10dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e5 line RCA (one fitted as MM\/MC phono), 1 tape RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e1 tape RCA, 1 subwoofer RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eSpeaker terminals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e2 pairs per channel (bi-wiring)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003ePhono input impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e47 kΩ \/ 220pF (MM), 100Ω \/ 440pF (MC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eRemote control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003eVolume, IR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003ePower consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e380W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eDimensions (W x D x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e43.5 x 43 x 9.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#f3f3f3;padding:12px;\"\u003e\u003cstrong\u003eNet weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;\"\u003e14 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Silver","offer_id":67848947827057,"sku":"URUPRIMO","price":1829.39,"currency_code":"USD","in_stock":true},{"title":"Black - Special Order","offer_id":67848947859825,"sku":"URUPRIMOBLK","price":1829.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5215\/1921\/files\/unico_primo_grey_front-2.jpg?v=1792519771","url":"https:\/\/sliyden.store\/products\/unison-research-unico-primo-integrated-amplifier","provider":"sliyden.store","version":"1.0","type":"link"}