Quote:
Originally Posted by Herald1360
Is this a set with valveholders straight into Paxolin type PCB? If so you may get nasty problems with conductive scorched areas round the output valve causing bias upset. "Floating" of the connections to the control grid may be needed.
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It is. I'll check it for that. Looking at my photos the board could do with a bit more cleaning anyway! As to "Floating" of the connections to the control grid", that has floated way above my head.
