Quad QII-Eighty Power Amplifier
Power Amplifier
Designed by Tim DeParavicini, the Quad II-Eighty takes inspiration from the original Quad II amplifier. It is an 80-Watt mono power amplifier following in the tradition and philosophies of Peter Walker. The output section consists of 4 KT88 valves running as two pairs in push-pull with the hallmark Quad topology of partial cathode loading in the output transformer.
- 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, 0.5% - 30Hz - 15kHz, 1.0% - 20 - 20kHz
- Residual Hum and Noise: Better than -94dB
- Frequency Response: 10Hz - 30kHz (+0dB, -0.5dB), 3Hz - 50kHz (-3dB)
- Damping Factor: 16 @ 1kHz (referred to 8 Ohms)
- Power Consumption: 240VA maximum
- Valves: 2 x 6SL7, 1 x 6SN7, 4 x KT88
89 999,00 krPris
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