20-07-2020, 04:16 PM
Thanks Michael.
Yes it's pointing to a man made issue.
There could be a short between cathode 2 on pin 3 to the adjacent heater pin 4 of the ECC83 V3. Or pin 8 cathode 1 to pin 9 heater center tap. Remember on this amp the heater output from the mains transformer has a grounded center tap.
Yes it's pointing to a man made issue.
There could be a short between cathode 2 on pin 3 to the adjacent heater pin 4 of the ECC83 V3. Or pin 8 cathode 1 to pin 9 heater center tap. Remember on this amp the heater output from the mains transformer has a grounded center tap.






