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Henry Kolesnik wrote:
What's a good place to get some good ones, reasonable? I've got several AA5 radios with hum and need to fix them. All my new old stock capacitors are dry. thanks Hank wd5jfr =================================== Suggest you look for good electrolytic caps in scrap (not too old) PC SMPS units . I have removed quite a few of adequate capacitance and working voltage to be used in valve (tube) type radio ,assuming AA5 radios are of the tube variety. When removed from scrap equipment , it is best to slowly cycle them (charge/discharge) a few times up to the stated working voltage . If necessary test them in a real equivalent circuit and check ripple with a scope . A bit of work ,but imho a rewarding activity. Frank GM0CSZ / KN6WH |
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