In Reply to: RE: Atmasphere M-60's with Sophia 6SN7 tubes posted by ozzyboy on April 4, 2017 at 11:39:08:
So far no-one has reported any longevity issues.
The operation of the 6SN7s in the voltage amplifier section is pretty conservative and we've seem some 6SN7s go 50,000 hours!
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Follow Ups
- RE: Atmasphere M-60's with Sophia 6SN7 tubes - Ralph 09:12:33 04/05/17 (0)