In Reply to: RE: When I have gotten rid of my very microphonic tubes I hear an ease to the music posted by Sherwood Forest on October 29, 2014 at 14:22:56:
a light tap with the fingernail should not produce a 60 second ring but, with very microphonic tubes it can. Subs can certainly set them off by shaking the glass and the box of the amp/preamp.
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Follow Ups
- When they ring on and on, it is pretty bad - richardl 15:08:20 10/29/14 (0)