I just got a Marshall MA50 head, and I'm looking to bias the tubes in it. However, I've never done this before and I was wondering if anyone could give me a step-by-step guide on how to bias an amp?
Call me Andrew. It's my name.

Quote by theogonia777
i fond God too, man! i sat next to him on the bus once. he told be the meaning of life and then gave me a pretzel. i can't remember what the meaning of live was, but it was a good pretzel, man!