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This is a seller’s market for this model at the moment, because the asking price of US$2,559 sits well above the US$2,279 75th percentile and far above the US$1,597 median from recent comparable listings. That makes it ambitious rather than fair, and I’d only lean in if this specific unit has standout condition, recent service, or especially strong provenance.
The upside is that this is a well-regarded integrated with a reputation for a big, fluid, muscular tube presentation, so the appeal is easy to understand if you want musicality over sterile precision. At this price, I’d want clear evidence of care: fresh tubes, quiet operation, no transformer hum, and all the usual accessories; otherwise, the premium is hard to justify versus the broader used market.
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.
