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Angeboten wird „Triode 25 - Schwarz“ von Unison Research als Ausstellungsstück aus der Kategorie „Röhren-Vollverstärker“ bei audio-markt.de - dem Online-Marktplatz für High-End. Das Inserat mit der Nummer 3797475236 endet am 07.10.2026 um 06:39 Uhr.
In good condition, €2,890 is basically on top of the market for this one: it sits just above the €2,856 median and a hair below the €2,911 75th percentile, so it reads as fair, slightly firm rather than a bargain. It’s not overpriced, but it isn’t the kind of under-the-radar deal you jump on purely for price.
The upside is that this is a well-liked integrated amp with the sort of musical, full-bodied valve sound people buy the line for, and a clean example can be a satisfying long-term keep. At this level, the key is condition: confirm service history, check tube hours and bias stability, and make sure the cosmetics and remote/accessories are complete, since those details matter more than chasing another small discount.
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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