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In Reply to: Anyone need a crack fix? posted by Byrd69 on February 27, 2015 at 19:43:32:
I have several sweet sounding 6SL7s with similar cracks. We performed a sub-molecular analysis at work and discovered the crack creates an acoustic discontinuity that breaks up base resonances. We also determined that naturally occurring cracks sound the best. If you're lucky enough to have a 'SL7 or 'SN7 with a cracked base, I suggest not screwing around with it. It's going to be worth a lot of money someday.
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Follow Ups
- Don't do it! - Triode_Kingdom 00:32:52 02/28/15 (2)
- RE: Don't do it! .......I hear yah! - Byrd69 06:37:12 02/28/15 (1)
- I tried..... - dave slagle 07:26:10 02/28/15 (0)