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In Reply to: RE: Best Year(s) for Tungsram 12ax7 posted by gradEHoser on January 8, 2016 at 19:08:47:
I would say that after 10 to 12 hours of constant use you should have a very good idea of how they sound.
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- RE: Best Year(s) for Tungsram 12ax7 - johns dad 05:38:04 01/09/16 (0)