This is a faithful reproduction of the original - the new Quad II Classic offers audiophiles the chance to recreate the spirit and atmosphere produced from one of the most famous amplifiers in audio history. Peter's circuit, notably the design of the output transformer has become of legendary status - analysed by the finest minds in the industry.

The Quad II clasic has been recreated accurately with output valves and input valves the equivalent of those used in the original. The output valves produce around 15W per channel operating in Class A, which allow a gloriously sweet and refined sound with appropriately matched contemporary loudspeakers.


A Truly Iconic Amplifier


Designed by Quad founder Peter Walker, the truly iconic Quad II helped to define the modern concept of high-fidelity sound in the 1950s. Quad has kept the legend alive with the current Quad II classic, a faithful reproduction of the original valve monoblock with build quality and aesthetics lovingly updated for the modern era. The new version takes this a step further, with the development of additional, pre, power and integrated models. (Pictured: Original Quad II Amplifier as designed by Peter Walker).

The Quad II Series circuit design is the work of Tim de Paravicini, a man widely acknowledged to be the UK's foremost valve amp designer. His design is faithful to Peter Walker's Philosophy of cathode loading onto the same output stage and fundamental simplicity of design, ensuring the new amp delivers the same wealth of detail and exquisite tone as its famous predecessor.

Quad QII-Classic

Finish: Lancaster Grey
  • Input Sensitivity775mV RMSPower Output15W RMSOutput Impedence8 OhmsTHD @ 700Hz0.8% @ 12WResidual Hum and NoiseBetter than -90dBFrequency Response10H - 20kHz (± 0.2dB)Damping Factor11.75 @ 700Hz (referred to 8 Ohms)Valves2 x EF86
    2 x KT66
    1 x GZ34Dimensions (W x H x D)335 x 121 x 171mmWeight8.3kg

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