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Old June 22nd 06, 02:28 AM posted to rec.audio.tubes,rec.radio.amateur.homebrew
Arthur Dent
 
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Default Tube failure mode: gassy?



Gudmundur wrote:

Hey my man, what you may have is a classic case of the grid coupling
capacitor breaking down and killing your bias on the grid. It is
not uncommon for the grid to go positive and cause the tube to melt!!


You haven't read the thread fully have you ?

Graham