Quote:
Originally Posted by dieseljeep
Actually those sets were designed properly. They used a floating B- line, which is not connected to the metal cabinet. It does use an isolating capacitor from the B- to the cabinet and the antenna coil.
BTW, the two and three tube sets are a TRF, where the four tube is a short superhet, which is a good DX machine with about 100 feet of antenna.
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Right now I get a slight garble in the audio and I don't receive anything on the dial except for pumping in a signal from my AM transmitter. I have located the one rare tube and the other common one, so I am excited to see if that's the culprit. I heard the rare one, the 20B8GT, is not uncommon to find weak or dead.