Heheh well I try my bestHeh, I enjoyed the unmistakably British title too!
Excellent quintessentially British thread title old chap!
Made me chortle, bet he dresses wears a cravat and sports jacket:headbang:
and nothing else!!!!
Excellent quintessentially British thread title old chap! :22:
How long have you had your current power valves and how much use have they had? If they're new(ish) It might be a good idea to have your bias checked/set and the amp inspected for any underlying problem.