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I have yet to find a bad selenium in a radio, I have replaced lots of them in TV's. In a radio they are not stressed as they are in some other applications. Some solid state diodes produce rf which really messes up a TO, they are also subject to transients and they fail shorted which means you are going to loose some tubes and other parts, seleniums fail open. Selenium's are still used in some high amperage power supplies. I have never heard of anyone even becoming sick or ill from selenium fumes.
Dave
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