Products > Amp Audio Upgrade Kits > Quad 11 Original Power Amplifier 1953 to 1970

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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  • Quad 11 Original REC Relic KT66 Tesla EF86 Upgrade Kit PairQuad Amplifiers Limited Stock

    Special Kit Price
    br>The KT66 Relic is a premium high quality audio grade KT66 that is based on ...    In stock£310.00
    £250.00    Buy Now
  • Quad 11 Original Gold Lion KT66 Tesla EF86 Upgrade Kit PairQuad Amplifiers Limited Stock

    Special Kit Price

    The KT66 Gold Lion has gained a worldwide reputation for sound quality ...    In stock£410.00
    £350.00    Buy 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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