A Marshall JCM900 Breaking Valves was the cause of this amp’s failure. It travels around a lot and it has the original 1990’s valve retainers on the output valves. The…
Quick Intro to the Fender Bassbreaker 007 The Fender Bassbreaker 007 is a cute little valve amp. There are two versions – a head and a combo. It has two…
A brand New feature for amp techs and amp makers We have a brand new ” Website Trade Area” for amp techs, service folks and amp manufacturers. You can find…
Worldwide Payment Options We accept American Express, Mastercard and Visa worldwide. We also accept Paypal. European Specific Payment Options Austria and Germany- EPS, SOFORT Belgium – Bancontact The Netherlands –…
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…
A Marshall JCM900 100 Watt Combo arrived in the workshop. This version is the 4102 It was very poorly. The first issues seen were : 10 amp fuse in the plug!!…
The early (1997-2003) Marshall JCM2000 DSL50, DSL100, TSL100 and TSL122 amps are often troubled by an unstable bias (drifting bias). These are nice amps and I have one myself This…
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…
A friend has an ACOM 1000 amplifier. It is used on the HF bands( short wave bands) . It uses one valve for the output and the valve is a…
Customer Reviews
"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
"Ggreat service, many thanks" DW bought JJ GZ34S high sag version 21st March,2020
6V6 and 6L6 output valves Valves are ancient technology. Over 100 years old. Many folks expect the reliability of modern electronics like an Iphone. However, the reliability and the lifespan…
Okay so I relented and worked on an amp with not one single lonely valve/ tube inside. Time to fix a Trace Elliot GP7SM bass amp. I will have therapy…