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Originally Posted by GAudiologist
I guess I'll start ordering caps. Do new modern capacitors always crap out with time like the old ones?
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Come back and ask in 60 or 70 years.
I have a good feeling that our modern plastic film caps will do better than tissue paper and beeswax. Modern electrolytics aren't without their issues, however.
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Also, what are the best ways to clean up the chassis and components while I'm in there? Lots of dust... Do's and don'ts?
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I generally pull all the tubes and easily removable covers/shields/etc from the chassis, give it a quick vacuuming with a brush and shopvac. Really grimy areas get a damp sponge.
Be careful if you come across yellow or greenish powdery corrosion. This is likely oxidized cadmium plating, and cadmium compounds are toxic.