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….

This a longer than usual article talking about the different type of resistors. Resistor technology has changed over the decades . What is common is that many types change their…

Customer Reviews


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"Have bought from Stewart several times, he knows his stuff and while he may not always be the cheapest you’re getting the expertise and experience that few others can match. That’s so important when you’re buying valves." - N.G. 11th March 2020 - bought Tung Sol 6l6GC-STR's

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"Ggreat service, many thanks" DW bought JJ GZ34S high sag version 21st March,2020

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