Search found 2 matches

by doctracey
Thu Mar 24, 2016 12:38 am
Forum: Technical Discussion
Topic: Ghost notes/ unpleasent overtones
Replies: 5
Views: 1074

Re: Ghost notes/ unpleasent overtones

I've tried other speakers, still there. The power stage is clean plugging into the return.

It's on both channels, so I'll look around V1 and the cathode caps, wouldn't have thought of those first...
by doctracey
Wed Mar 23, 2016 6:57 pm
Forum: Technical Discussion
Topic: Ghost notes/ unpleasent overtones
Replies: 5
Views: 1074

Ghost notes/ unpleasent overtones

Anyone out there that has run into this before? It is most prominent from the open G string up the next octave and a half or so. With harder picking becomes much worse and is an unpleasant tritone-ish interval. The amp is a 6505+ that I just fixed a bad DC heater section on. A long time back before ...