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Quad

Quad QII Eighty (Pair)

$15,589.00
$15,589.00
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Shipping calculated at checkout.

QII-Eighty

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