JJ EZ81 Rectifier

Rectifier Valve ? Many of the vintage amplifiers such as the Vox AC30 , Fender Twin Reverb  use a rectifier valve.  Other amps use modern silicon diodes. The rectifier valve…

You find electrolytic capacitors in the power supply and decoupling of valves in Hifi and guitar amps. They are like a battery because they have a positive and negative terminal….

Your amp is filled with small capacitors as in the picture below.  They come in many different colours so this is jut a sample In simple terms,  is in the…

Customer Reviews


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"Very smooth, quick and friendly Yorkshire transaction. Amp sounds the best it's been for years!!" - R.M, bought a matched pair of EH EL34 on 6th October 2020

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"Great advice and quick service" R.W. bought Tung Sol EL34B's 13th October 2020

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