I swapped the left and right driver tubes and the left side remained dead. All tubes glow.
What is the recommended troubleshooting procedure?
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dellwood wrote:I found the 10 ohm 2 watt resistor from pin 8 to the chassis ground to be bad on each of the two left channel power tube sockets. They were bulged, had spalled of some of the ceramic coating and showed no continutity.
Any ideas what may have caused this?