question

[BluesNRock87]

anyone know of a good site for how to on:

change tubes
bias tubes? (i think my amp is self-biasing)

also someone had a good site on amp mods, what was that/

i wanna add a line out to my amp so i can have the option of the amps speaker, just a cab, or both (that may be complicated) - or just a line out

thanks

[Curly]

Re: question

you might try the tech section of Aiken amps:
tech section