Quad · Power Amplifiers
QII-Forty
A QII mono tube amp with modernized output power and valve circuitry.
fig. 01 · power amplifiers
QII-Forty
From Quad
QII-Forty updates the QUAD II mono power amp idea with stronger output and revised transformer design. It suits systems that want a valve mono amp with more current capability than the original circuit.
Specifications
| Model | QII-Forty |
|---|---|
| Power output | 40W RMS |
| THD @ 700Hz | 0.3% @ 40W |
| Residual Hum and Noise | Better than -80dB |
| Frequency response | 10Hz - 30kHz (+0dB, -0.5dB) |
| Damping Factor | 20 @ 700Hz (referred to 8 Ohms) |
| Power Consumption | 180VA maximum |
| Loudspeaker Taps | 4 and 8 Ohms |
| Valves | 2 x 6SH7 Input |
| Input Sensitivity | 1V RMS |
| Product type | tube mono power amplifier |
| Series | QII |