Unison Research · Power Amplifiers
Reference
Reference is a mono valve power amplifier using 845 output valves in a double-parallel single-ended circuit with RCA and XLR inputs.
fig. 01 · power amplifiers
Reference

From Unison Research
Reference is Unison Research's monoblock valve power amplifier, built around 4 845 output valves with ECC82 and ECC83 driver valves. Its double-parallel single-ended circuit is rated at 80 W, with 4 ohm and 8 ohm speaker outputs, RCA and XLR inputs, and bi-wiring terminals.
Specifications
| Type | Mono Valve Power Amplifier |
|---|---|
| Output stage | double parallel single-ended |
| Class | A pura |
| Valves | 4 x 845, 1 x ECC82, 1 x ECC83 |
| Output power | 80 watt |
| Frequency response | 20 Hz - 30 kHz |
| Feedback factor | 14 dB |
| Output impedance | 4 Ohm e 8 Ohm |
| Outputs | loudspeakers bi-wiring |
| Inputs | 1 x RCA , 1 x XLR |
| Input impedance | 47 kOhm RCA , 10 kOhm XLR |
| Power consumption | 400 VA approx. |
| Dimensions | 49 cm x 77.5 cm x H 28,5 cm |
| Weight | 70Kg 155 lbs |
| Product type | valve monoblock power amplifier |


