Quote:
Originally Posted by Tubejunke
I have found this to work on very old TV sets too. There is a guy who sells what he calls restored radios on praybay. I think I have a 40s Radiola that came from him and it plays so good and was so clean that I still haven't pulled the chassis to see his work. Point being is that he claims to let a set play for days in his shop and then for a few days more in his living room (or something like that). It made me feel good about the purchase and the Radiola 6 tuber is a real treat to own. Perhaps common, the 40s RCA typical Bakelite table radios are very well built, good performing, but perhaps more utilitarian than our beloved Westinghouse models.
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Odds are he recaps them before burn in. It was a somewhat common practice among service techs back in the day as a way to make sure the problem was really gone and give any new ones waiting in the wings a chance to shake out before returning it to the customer. When I recap a TV for someone I like to let it burn in before I give it back to them so that if any 50+ year old resistors, etc are about to bite it I can change them before they become my client's problem.