06-30-2008, 10:41 AM
Verify your local oscillator is running too. Pin 4 of your 7A8 tube should be several volts negative if it is working, if not read zero.
Recommended you make basic voltage checks such as the B+ supply and the various tubes pins to be sure they are close.
Richard
Recommended you make basic voltage checks such as the B+ supply and the various tubes pins to be sure they are close.
Richard