Products > Amp Audio Upgrade Kits > Quad Pre Amplfier Series

Our audio upgrade kits offer a selection of the best quality modern production items along with high quality new old stock valves to give you an improved sound and a cost effective upgrade. We have over 30 years' experience with using and listening to high end audio amplifiers and over 25 years in improving the valves. These kits have been put together after many hours of listening tests to confirm the valves performance in any given application.

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  • NameManufacturerCommentStockPrice PhotoOrder
  • Quad 22 Control Unit Harma Retro EF86 Mullard Upgrade kitQuad Amplifiers Original Quad 22 pre amplifier unit that was introduced in 1953 and remained in production until 1971. Absolute Classic ...In stock£92.00Buy Now
  • Quad 22 Control Unit Harma Retro EF86 Siemens Upgrade kitQuad Amplifiers Original Quad 22 pre amplifier unit that was introduced in 1953 and remained in production until 1971. Absolute Classic ...In stock£72.00Buy Now
  • Quad QC 24 Pre Amp Upgrade kitQuad Amplifiers Quad QC-24 Pre amp is a modern day upgrade to the classic quad control unit.The QC Twenty Four has 2 main outputs, 2 ...In stock£16.00Buy Now
  • Quad QC 24P Phono Stage Upgrade kitQuad Amplifiers The Quad QC 24 dedicated valve phono stage was designed by Tim De Paravicini. This unit features a moving magnet/ ...In stock£64.00Buy Now
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All prices contained on this page are exclusive of VAT. This is currently charged at 20% and is payable by all EU countries.


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