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Based on the ground truth from our listings database, the US$1,650 asking price for the used Unison Research Unico Primo sits above the 75th percentile of US$1,572, making it ambitious compared to the typical used market where the median is US$1,493. While not a bargain, this price reflects a premium for units that may include the standard phono upgrade, which adds US$199 in value to the current retail of US$2,299.
The Unico Primo remains a beloved Italian hybrid amplifier, seamlessly blending tube warmth in the preamp section with solid-state power delivering 80 watts into 8 ohms. Its genuine audiophile value stems from features like dual binding posts and subwoofer outputs, offering performance that reviewers claim exceeds its asking price by 50%. If this listing includes the phono board and is in original-owner condition, the ambitious price is justified as a worthwhile buy for a well-regarded, full-size integrated amp that punches above its weight.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Unison Research, an Italian hi-fi icon, traces its roots to 1987, when it was founded in Treviso by Giovanni Maria Sacchetti, a visionary electronics engineer and music enthusiast born in 1945. Sacchetti, who balanced a career in teaching with amplifier design, assembled a team of dedicated audiophiles driven by a singular passion: delivering profound musical pleasure through superior sound. From its inception, the company emphasized handmade craftsmanship entirely within Italy, evolving under subsequent leadership like Giovanni Nasta while honoring Sacchetti's legacy of innovation in tube-based audio.
The brand excels in valve amplifiers, its core strength, with legendary models like the Triode 20—the first integrated amp Sacchetti designed—and the Simply Two, which sold over 30,000 units and propelled global acclaim. Early offerings included the Glowy preamp and Ruler power amp, pioneering designs such as the first stereo amplifier using the 845 triode. Today, Unison Research offers a focused lineup of preamplifiers, power amps, integrated amplifiers, and select speakers in partnership with Opera Loudspeakers, prioritizing pure analog warmth over digital peripherals like DACs or headphones.
Positioned as a high-end boutique leader, Unison Research reigns as Italy's top tube amplifier producer and ranks among Europe's elite ten. Audiophiles worldwide revere its products for their emotional depth, artisanal quality, and timeless appeal, cementing a niche among discerning buyers seeking authentic, soul-stirring hi-fi that transcends mere technical specs.
See all Unison Research listings on RADAR.
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