Tube Amp Archive

Correct. No bias adjustment. I’ll bring it in to a truck and tell him what’s going on. I looked at the sockets and no melting or black around them. I appreciate the advice

My 1969 Laney Supergroup LA100BL is blowing HT fuses. I replaced the tubes recently with Tung Sols and it ran fine for about 30 min? Then quit. Put another fuse, 2 min blows. Spoke to local (who doesn’t get back to me to bring amp in to have a look) and he told me add a new fuse, pull all tubes and ...