Thread: Dumont RA-113 (B3) restorations
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Old 11-19-2016, 02:17 PM
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wa2ise wa2ise is offline
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Micas don't like having DC across them. Usually, in tuned circuits they are in parallel with a coil, thus almost no DC. But I've seen them go bad with as little as 50VDC across them.
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