Unison Research · Integrated Amplifiers
S6 Black Edition
S6 Black Edition is a valve amplifier using parallel KT77 output valves, revised power-valve polarization, and USB, S/PDIF, and Toslink inputs.
fig. 01 · integrated amplifiers
S6 Black Edition
6 photographs · 5 shown
From Unison Research
S6 Black Edition revises the S6 circuit with new signal-path work, updated power management, and a 40 W output rating. Each channel uses 3 KT77 output valves in parallel, with ECC83 signal valves, 4 line inputs, digital inputs, and a stereo subwoofer output.
Specifications
| Output power | 40W on 6Ω |
|---|---|
| Signal valves | 2 x ECC83 Gold Lion |
| Output power valves | 3 x KT77 Gold Lion in parallel for each channel |
| Polarization | pure Class A in ultralinear configuration with tap at 20% (power valves), |
| Inputs | 4 line RCA, 1 USB, 1 SPDIF, 1 Toslink |
| Outputs | 1 subwoofer RCA (stereo) |
| Bandwidth (-1dB) | 15Hz - 30kHz |
| Dimensions | 35 x 49 x 22 cm |
| Weight | 25Kg |
| Product type | valve integrated amplifier |