
Unison Research
S6 Black Edition
The Unison Research S6 Black Edition is a 40 W-per-channel valve amplifier specified for 6 Ω loads, using two ECC83 Gold Lion signal valves and three parallel KT77 Gold Lion output valves per channel. Its output stage operates in pure Class A ultralinear configuration with a 20% tap, adjustable bias for each power valve, and Cathode Capacitor Less technology without autobias. Connectivity includes four line-level RCA inputs, USB, S/PDIF, Toslink, and a stereo RCA subwoofer output; bandwidth is rated at 15 Hz–30 kHz.
MSRP
$7,499
Used market · Excellent
$4,874est.
MSRP to used market
Price history will fill in as sales are recorded.
Specifications
- Published price
- 7499 USD
- Power into 8
- 38 W Ω
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