Quote:
Originally Posted by bob91343
Selenium rectifiers are a problem waiting to happen. They deteriorate with time, generally, in all aspects. The symptoms are reduced output, increased ripple, and greater heat loss as well as that characteristic odor.
Not to say that retrofitting with silicon will solve your problems, but it does eliminate one possible source.
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That's why it always amazed me that the first color sets came out with selenium rectifiers in a voltage doubler configuration.
All except Admiral and Philco. Then a few of the others went to back to 5U4"s.
Then everyone but RCA, quit building color sets.
