I don't usually get on my high horse, but I keep on seeing various eBay items that explain how to service your own valve amplifier, etc. Note: For anyone who pooh-whos this and chooses to ignore what I am...
CASIO DG1/10/20 The DG stands for DIGITAL GUITAR in case you had not guessed and you are likely to find all of the above models on Ebay though the DG1 is a rarity (there are others!!) and the other two...
Marshall DSL50 Valve Biasing. When replacing or changing power valves in this amp or others like it, it is important to purchase a matched pair of power valves from your supplier. The power valves in the...