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I am still amazed that everyone in this forum insists on always replacing the electrolytics. The original electrolytics used in the RCA sets of the period will probably outlast the ones being stuffed into the cans!
It is a simple process reforming the dielectric and testing the things. I have replaced some electrolytics if they do not reform properly. The test is to ensure the leakage current remains below 100uA at full rated voltage.
Paper capacitors do leak and need to be replaced. When I get a set and before powering it up, I will test a few of the paper capacitors. If any show leakage (as they generally will) I will replace all of the. However, the electrolytics and micas are generally okay.
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12-30-2012, 11:16 PM
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