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In Reply to: 12av7 tubes posted by mpcrnc@aol.com on February 24, 2017 at 14:24:34:
Just be sure they are checked for microphonics! I'm trying to dig up some right now for a customer - and I've had 60+ out of 100 NOS GEs turn up microphonic. I wouldn't have believed it if it didn't happen to me!
BE SURE you get tubes tested for microphonics regardless of which brand.
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Follow Ups
- RE: 12av7 tubes - Jim McShane 15:26:46 02/24/17 (4)
- RE: 12av7 tubes - Mechans 11:56:42 02/27/17 (0)
- RE: 12av7 tubes - DannyR 22:14:21 02/24/17 (2)
- RE: 12av7 tubes - Jim McShane 08:19:05 02/25/17 (1)
- Hmm...maybe thery're disguised 6C4s? (NT) - jeffreybehr 14:11:11 02/27/17 (0)