Fender Amp Serial Numbers There used to be a link on the Fender website for amp dating from the serial numbers. However Superior Music has done a really good summary and here is a link to their website. This will enable you to figure out the year your amp was made.Link ==> Superior Music – Fender Amp, Amplifier Serial Numbers. It is also worth looking up on the Fender website too. I only found this […]
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Here is a good video on Youtube on how to bias a valve /Tube amp. It is a good introduction on what is involved for those with basic electric skills. How to Bias a Tube Amp Part 1 – YouTube.
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Note: If you’re experiencing bias drift issues with a DSL50 (or any other JCM2000 amp), find have the solution here. This weekend, I worked on a lovely 6 year old, Marshall DSL50 amp head. This was the unit I mentioned in a previous post that was awaiting my attention. It was working however the output valves were mighty hot. I checked the bias on those two beautiful EL34’s and found I could not adjust the
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Belcat 20R Service I had a Belcat Tube amp in my workshop. this was distorting but not in a nice way. It really made your ears hurt! This is a Fender Blues junior copy. The rectifier is solid state and there are three ECC83’s and the output is two EL84’s. I tested the valves on my tester just to make sure they were OK and they were perfect. I again replaced the output protection diodes
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Restoring Fender Deluxe Reverb Silverface or Blackface amp part 3 – resistors In common with all Fender amps they are mounted in the case “upside down” the valves hang at the bottom for east access. The trade off with this design is that heat rises so all the heat from the tubes/valves rises and it cooks all the components over time. A silver face amp is a minimum of 35 years old and so the
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VHT Special 6 Ultra Valve Amp I am currently working on a VHT Special 6 Ultra Amp. This is an amp head and this one has a 1 x 12 Goodmans greenback equipped close backed cabinet. This amp is only 5 watts. It makes a nice little practice/ bedroom/ studio amp where you can sound as if you playing through a fully cranked up Marshall 200 watt stack..great fun. These amps are very competitively priced
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