Pioneer Upgrades

Pioneer Upgrades
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Pioneer A400 Upgrade - Stage 1
These Pioneer amplifiers are capable of fantastic sound-quality. Once upgraded you get a more open sound, with improved bass grip & texture with terrific levels of detail. Power supply capacitors are improve..
£185.00
Pioneer A400 Upgrade - Stage 2
These Pioneer amplifiers are capable of fantastic sound-quality. Once upgraded you get a much smoother sounding amp, still with terrific levels of detail. Adding our active preamp modules brings large improvements to ba..
£285.00
Pioneer A400 Upgrade - Stage 3
These Pioneer amplifiers are capable of fantastic sound-quality. Once upgraded you get a much smoother sounding amp, still with terrific levels of detail. Adding our active preamp modules brings large improvements to ba..
£435.00
Pioneer A9 Upgrade
These Pioneer amplifiers are capable of really good sound-quality Improving the components both in the power supplies and signal path gives you a much smoother sounding amp, with plenty of detail and much improved bass per..
£360.00
Testimonials
Marantz CD94 Mk2
«Stage 2 upgrade - very impressed. It was always good but the difference is marked. The detail and the tightness is wonderful, vocals are now so go ...»


Steve B... Chester...

Quad 405 II Stage...
«I hooked the upgraded Quad 405 2 up to my home system for fun yesterday. I had no idea just how radical a part the amp plays in the chain! My prob ...»


Dan Swift

Quad 405 Stage 1 ...
«Hi

I received my upgraded Quad 405 from you and installed it yesterday in place of a Quad 405 -2 which had new smoothing capacitors inst ...»



Alan Sa...

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