[Harp-L] Noisy Amp

Hi Everybody,

When I fire up my Blues Jr., it makes a hellacious racket for about 30 seconds and then quiets down and works normally. It makes the noise even with the volumes turned of zero. Is this caused by a bad tube or tubes? How do I check?

Aloha and thanks,

This archive was generated by a fusion of Pipermail 0.09 (Mailman edition) and MHonArc 2.6.8.