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Old 15th July 2021, 02:22 PM
bob orbell bob orbell is offline
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Join Date: Nov 2009
Location: kettering northants.
Posts: 2,366
Default Re: KEL34 making safe to work on

Your crackle is most likely a poor solder joint, may be one of the valve bases, run a iron over all on the bad channel, check with your meter to see if the body of the potentiometer is in contact with the chassis. Bob
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