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In Reply to: GZ34/5ar4 question posted by M. Vidal on July 19, 2016 at 12:28:25:
maybe some low voltage on the B+ and MAYBE some difficulty biasing. Otherwise they just blow. But if never hurts to put in a new fresh rectifier tube every few years.
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- RE: GZ34/5ar4 question - airtime 13:16:31 07/19/16 (0)