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Unison Research S6 MkII Tillbehör: Fjärrkontroll, manual, originalförpackning. Begagnad rörförstärkare i mycket gott skick. Tillverkad i Italien. 5 stycken linjeingångar samt en tape out. Enkelt justerbar bias med inbyggda mätare. Parallel single end Klass A drift. Bestyckad med 2 stycken JJ ECC82 samt 6 stycken Tung Sol EL34B. Samtliga rör är uppmätta och i god kondition. Uteffekt: 2 x 30/35 Watt (RMS) Mått (BxHxD): 350 x 210 x 490 mm Vikt: 25 kg
This listing for the Unison Research S6 at SEK 17,990 is a genuine bargain, sitting well below the 25th percentile of SEK 20,927 and nearly SEK 5,400 under the median of SEK 23,405 from recent comparable listings. The original S6 (distinct from the newer S6 MkII or the 2024 Black Edition) remains a highly regarded pure Class-A single-ended tube integrated that delivers 30–35 watts of warm, detailed sound ideal for sensitive speakers. Its value is amplified by the fact that new prices for successors like the S6 MkII hover around SEK 29,500, making this sub-SEK 18,000 offer a rare entry point into Unison’s celebrated tube topology.
At this price, the S6 represents a clear buying opportunity for enthusiasts seeking authentic analog warmth without the premium of newer models. The amplifier’s ultralinear KT77 parallel design offers a lush midrange and smooth treble that defines the brand’s sonic signature. Unless the unknown condition in SEK reveals hidden damage or missing tubes, this is a strong deal on a well-loved, timeless integrated that pairs beautifully with modern high-sensitivity speakers.
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.
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