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Original Message
RE: As I always advise in situations such as this,...
Posted by Lew on September 27, 2015 at 13:19:47:
The best way to do it would be to invert the amplifier on a safe and sturdy workbench. Then remove the bottom plate and then measure the voltages with the tubes all in place. Each 6AS7 has two discrete sections. However, before following this line of investigation, I would suggest first of all to follow Ralph's plan of attack.