Unison Research · Preamplifiers
Unico Pre v2
Unico Pre v2 is a fully balanced hybrid preamplifier with ECC83 valves, RCA and XLR connections, digital inputs, and onboard phono support.
fig. 01 · preamplifiers
Unico Pre v2
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From Unison Research
Unico Pre v2 pairs a valve gain stage with solid-state output stages in a dual-mono layout. It has RCA and XLR analog paths, USB, S/PDIF, and optical digital inputs, MM/MC phono loading, and dedicated outputs for bi-amping, subwoofer use, and power-on triggering.
Specifications
| Type | Fully balanced hybrid preamplifier |
|---|---|
| Valves | 2 x ECC83 / 12AX7 Gold Lion |
| Operating mode | Class A |
| Output stage | Solid state |
| Volume control | Infrared |
| Max input voltage | 2.58 Vrms (RCA) - 5 Vrms (XLR) |
| Input impedance | 20 kΩ (RCA) - 57 kΩ (XLR) |
| Gain | 20 dB (RCA) - 15 dB (XLR) |
| Maximum output voltage | 8 V (RCA) - 16 V (XLR) |
| Output impedance | 770 Ω (RCA) - 1500 Ω (XLR) |
| Global feedback | 0 dB |
| Power consumption | 50 VA |
| DAC | Sabre ES9018K2M |
| USB | USB-B input, PCM up to 384 kHz, native DSD up to 256x, DoP up to 128x |
| Toslink | 2 x inputs up to 192 kHz |
| S/PDIF | 2 x inputs up to 192 kHz |
| Dimensions | 45 x 43 x 14 cm (17.5 x 17 x 5.5 inches) |
| Weight | 11 kg |
| Product type | hybrid balanced preamplifier |
| Series | Unico |