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In Reply to: Fed up with old stock 12AX7 RCAs dying or becoming microphonic! posted by Paul Kehayas on December 20, 2016 at 13:11:36:
Keep in mind, a tube can be display microphony in one application or chassis, and be fine in another.
I've read papers on microphony. I'll have to look again to see if they explain what would make a tube turn that way. They certainly explain why it may be there from the get go, or just why its inherent in the tube type itself (construction).
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- RE: Fed up with old stock 12AX7 RCAs dying or becoming microphonic! - Byrd69 14:04:31 12/21/16 (0)