The QUAD PA-One is a highly versatile, user-friendly headphone and pre amplifier. It combines classic quad valve topology with a modern selection of digital inputs and outputs for low and high impedance headphones too. With classic QUAD styling and a life-like sound quality, the PA-One is perfect for enjoying music personally via your laptop as well as being an integral pre-amp in a larger hi-fi system too.


Get the Best out of Your Headphones.

...The Quad PA-One, however, is dedicated to achieving the best possible sound quality of any set of headphones connected to it. A whole host of connections, both analogue and digital driven by hi-fi amplifier valves bring an exciting detail to your music.With a nod to Peter Walker’s styling and topology of his original valve amplification and superior quality from aesthetics to audio make a truly exquisite amplifier. The sound is full of life, yet without the unwanted colouration many would expect from such amplifiers. The genuine heritage of Quad has been preserved with all the features to enjoy modern audio mediums.

Quad PA-One

Finish: Lancaster Grey
  • Input Impedance 50k Ω
    Output Power 500mW at 32 Ω
    Output Impedance 32 Ω - 300 Ω
    Impedance Modes High / Low
    Input Sensitivity 300mV (500mW at 32 Ω)
    Frequency Response 15Hz - 30Hz (+0.5dB, 0.5dB)
    Distortion 0.5% at 1kHz
    Channel Balance +0.5% at 1 kHz
    S/N Ration (ref. 500mW) 105dB (IHF-A)
    Inputs 2 x Balanced XLR, RCA Phono, Coaxial, Optical & USB
    Outputs 2 x 6.3mm Jack headphone socket, RCA Phono
    Digital Resolution 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176kHz, 192kHz
    Valves 2 x 66SL7, 2 x 6SN7, 1 x EZ81
    Size (W x D x H) 180mm x 284.5mm x 163.5mm
    Net Weight 7.5kg
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