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previous: Jeffrey Hello,after a major revamp ... -- 10/7/2004 8:41 PM view thread

Re: Plate glowing red

10/7/2004 10:02 PM
BrutusRe: Plate glowing red
Pull out your DVM and measure the bias voltage. Is it too hot?  
 
Also, if you used a PS tranny with higher voltage then the original 5E3, you will have similar prolems. To resolve, simply bias colder by changing the cathode resisitor to a slightly higher value.