Don't forget the rectifier valve image

Many amps have a valve rectifier valve. Typical types are EZ81, 5Y3, GZ34/5AR4 and 5U4.  There are variations on the letters at the end of the part number but the…

Sovtek 12AX7 WA WB WC image

I thought it worth the time De-Mystifying Sovtek 12AX7 WA WB WC Variants. Why are there three versions of the Sovtek 12AX7 and what use one versus the other? One common…

Here are Things learned about Valve Amps in 2018 . They are in no particular order. Perhaps some useful info about your amp. I thought I would share them before…

Electro Harmonix 12AX7

Have you ever wondered why valves wear out or why they dont last as long as solid state stuff? Why do the big amp manufacturers give you three years warranty…

EL34 II JJ Matched Quad Image

We have now upgraded all our JJ EL34 valve kits.  Our kits now include the JJ EL34 II. The reason? The JJ standard EL34 does not sound nearly as good…

Svetlana website new image

There is a lot of confusion in the market on Svetlana and Winged C Valves.   A number of UK suppliers claiming they are selling current production Winged C valves which are…

EL34L JJ Matched Quad Pack Image

We have broadened our range of EL34’s in our store. But which one is best for my amp? This is a handy quick guide to EL34’s We now have :-…

Worn and New Tung Sol EL34B Image from a Bugera 333 amp

I was repairing a Bugera 333 amp which was really badly crackling.  Taking the back off the amp revealed cooked EL34’s. This is a 120 watt combo amp.  A gigging…

Do you often wonder what quality standards are applied when testing your valves? You want to make sure you  buy the best quality and this article explains reliable Russian valves….

Customer Reviews


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"Fantastic service! Early really helpful and knowledgeable. Tubes relieved very quickly as well! Thank you so much!" - A.L. 14th Nov 2019

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"The valves were very well matched , arrived quickly and packaging was excellent. Great service."- A.J. 10th November, 2019

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