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In Reply to: there must be a scientific reason for tube break-in posted by airtime on January 18, 2016 at 06:55:30:
Yes or no hum? Could be stronger testing 12AX7 types are amplifying the hum. Lower testing ones, not as much.
Just a WAG.
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Follow Ups
- What if you tried a high-testing, brand new 12AT7 or 12AY7? - FenderLover 07:42:57 01/19/16 (2)
- RE: What if you tried a high-testing, brand new 12AT7 or 12AY7? - airtime 07:47:08 01/19/16 (1)
- JOC - FenderLover 10:22:47 01/19/16 (0)