Unison Research · Integrated Amplifiers
Unico Due
Unico Due is a hybrid amplifier with ECC83 valves, USB and phono inputs, high-current output stages, and subwoofer and DAC outputs.
fig. 01 · integrated amplifiers
Unico Due
From Unison Research
Unico Due combines Unison Research's hybrid amplifier layout with a redesigned power supply and higher filter capacitance. It has 3 analog line inputs, USB input, MM/MC phono input, tape output, stereo subwoofer output, DAC output, and 2 ECC83 valves ahead of the power stage.
Specifications
| Output power | 100+100W on 8Ω, 180+180W on 4Ω, 290W+290W on 2Ω |
|---|---|
| Valves | 2 x ECC83 (12AX7) |
| Filter capacitance | 80,000uF |
| Output stage | Dynamic Class A 4X power BJT double complementary pair, "Super-Symmetric" configuration |
| Biasing | Dynamic Class A |
| Inputs | 3 analogue line (RCA) programmable volume AV input, 1 digital (USB), 1 tape RCA, 1 Phono MM / MC |
| Analogue line outputs | 1 tape (RCA), 1 stereo subwoofer (RCA), 1 DAC |
| Remote | IR volume and source |
| Dimensions | 43.5 x 43 x 13 cm (W x D x H) |
| Input impedance | 47 kohm / 220 pF (MM) - 100 ohm / 440 pF (MC) |
| Gain | MM 40 dB, MC 50 dB |
| Gain selection | +0 dB / +10 dB |
| Max input voltage | 120 mV @ 1kHz (MM) |
| RIAA | active low frequency, passive at high frequency |
| THD | 0.09% @ 5mV, 1kHz, MM |
| Product type | hybrid integrated amplifier |
| Series | Unico |