Quad · Power Amplifiers
QII-Eighty
A high-power QII mono tube amp using KT88 output valves.
fig. 01 · power amplifiers
QII-Eighty
From Quad
QII-Eighty is a mono tube power amp inspired by the QUAD II, with KT88 output valves and 80-watt output. It fits systems that want the QII family approach with more speaker-driving headroom.
Specifications
| Model | QII-Eighty |
|---|---|
| Input Sensitivity (nominal) | 1V RMS for full output |
| Power output | 80W RMS |
| Output impedance | 4 Ohms or 8 Ohms, selectable |
| THD @ 80 Watts | 2 x EF86 |
| Residual Hum and Noise | Better than -94dB |
| Frequency response | 10Hz - 30kHz (+0dB, -0.5dB) |
| Damping Factor | 16 @ 1kHz (referred to 8 Ohms) |
| Power Consumption | 240VA maximum |
| Valves | 2 x 6SL7 |
| Product type | tube mono power amplifier |
| Series | QII |