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In Reply to: "Then was then; now is now." posted by John Marks on July 13, 2015 at 18:09:29:
"most likely have wear components like diodes, capacitors, and resistors that have gone out of spec."
I certainly don't regard modern passives to be "wear components". In general they last about forever, especially the small-signal ones.
Things that DO wear are...
Tubes: Filament life and decreasing cathode emission even if they don't get gassy, microphonic or shorted.
Switches: Wiper contamination, dirty contacts and plating failure.
Fans: Bearings go out.
Connectors: plating failure, surface contamination and wire strand breakage in cables.
Electrolytic capacitors: High ESR if the vent and sealing isn't perfect.
Radio Rick
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- RE: "Then was then; now is now." - rick_m 19:51:20 07/14/15 (0)
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