Quote:
Originally Posted by radio nut
Yes to the variac. yes again to the 125 line voltage.I will start where you stated. I did notice That at least one of the heater lines did junction to a couple of caps parallel to a IF trans. I wonder if those mica or ceramic caps are bad.I will keep you posted.
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Mica and ceramic caps are usually pretty stable. So I would not think that would be a problem.
You know I just realized those 1Lxx tubes all have a directly heated cathode. That might affect the voltage readings you are getting.