Quote:
Originally Posted by Electronic M
Cold solder joint?
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That's where my money would go on a bet. Especially after the poster said that he can sometimes speed up the process of regaining the audio by changing the channel. I'm not sure about whatever model that is, but the 59 Zenith that I parted out a couple of years ago had quite a KA THUNK to the channel changer. The vibration is probably correcting the intermittent connection.
Now as to which connection; I leave that to the experts. I wouldn't say it is the heater connection as the audio just comes back instantly as opposed to a "ramping up" as would a cold tube.