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In Reply to: Russian tubes quality vs year of fabrication posted by jorisdallaire on November 12, 2014 at 08:01:00:
I bought a bunch of NOS 6n23's back in 2001 from a guy in Lithuania. I had three dozen or so from him with date codes ranging from 1970 to late 1980's, and all from the Voskhod factory. I am here to tell you that the ones from the early 1970's did sound better than the later ones. I have no idea why, I just figured the QC on later production wasn't as tight maybe. The differences were not huge, but it was noticeable. The older ones seemed quieter than the newer. All around good tubes though.
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- RE: Russian tubes quality vs year of fabrication - Sondek 16:09:16 11/12/14 (0)