Quad · Power Amplifiers
QII-Classic
A QUAD II-style tube mono amp with classic valve output design.
fig. 01 · power amplifiers
QII-Classic
From Quad
QII-Classic recreates the mono power amp format of the original QUAD II. It uses valve output circuitry and output-transformer design for systems built around classic QUAD tube amplification.
Specifications
| Model | QII-Classic |
|---|---|
| Input Sensitivity | 775mV RMS |
| Power output | 15W RMS |
| Output impedance | 8 Ohms |
| THD @ 700Hz | 0.8% @ 12W |
| Residual Hum and Noise | Better than -90dB |
| Frequency response | 10H - 20kHz (± 0.2dB) |
| Damping Factor | 11.75 @ 700Hz (referred to 8 Ohms) |
| Valves | 2 x EF86 |
| Dimensions (W x H x D) | 335 x 121 x 171mm |
| Weight | 8.3kg |
| Product type | tube mono power amplifier |
| Series | QII |