Quad PA-One Headphone & Preamplifier

£1,199.95 (FREE UK Delivery)
Item out of Stock  |  Usually dispatched within 24 hours
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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.


  • 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

We endeavour to despatch same day (for orders placed up to 2pm) on available stock items to the vast majority of UK mainland addresses. Please remember to check with us first for a physical stock check if next day delivery is important to you.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Free delivery also applies to the Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland but may take a day or so longer. Smaller items are delivered using Royal Mail recorded delivery or special delivery. Larger items are delivered using a courier service such as Interlink Express, DPD, UPS or DHL. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using DPD, DHL or UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Hifisound or by the courier with a request for any further information required. Customs duties do not apply for shipments into any EU country (for a full list please refer to the EU Country List). Customs duties can apply for countries outside of the EU. Customers in these countries are responsible for all taxes and duties incurred when the items enter their country.

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