In Reply to: 6AS7 "cooking" for A-S M-60 posted by Stéphane on October 10, 2006 at 03:54:22:
I think the factory recommends that you run the new output tube filaments for 24 to 48 hours before applying plate voltage. A phone call to Ralph or a comment by Bill would clarify the matter. There is no rigid rule.
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Follow Ups
- Re: 6AS7 "cooking" for A-S M-60 - Lew 07:06:30 10/10/06 (0)