Just curious..what would be the first signs of el84's runned in cathode bias on a stock rocket going bad? I'm running it hot with stock value cathode resistor of 50ohms.
Thanks for the answers, pls school me on this.....
EL84's going bad?? in a rocket?
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Re: EL84's going bad?? in a rocket?
redplating, reduced power
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Re: EL84's going bad?? in a rocket?
Could EL84's be microphonic? I have a little rattle when I play a low E note (6th string) and on the sustained note I get a little noise. I know my preamp tubes aren't microphonic cause I changed both and it didn't go away.