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I am new to tubes and am wondering, "Are NOS Sylvania 12ax7 triple mica black plate tubes identical in every way to the famed Sylvania Gold Brand 5751 triple mica black plates?" One source claims that if the 12ax7's have the same gain, they are 5751's even though the boxes and labelling on the tubes say 12ax7. Can anyone confirm or comment on this? Is it possible that Sylvania "mislabelled" tubes? I am curious if there are differences in the construction, quality, value (cost) and most importantly sound.
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Topic - Tubes - Sylvania 12ax7 vs 5751 3 mica blackplates - 4kids 00:03:18 10/06/04 (3)
- Re: Tubes - Sylvania 12ax7 vs 5751 3 mica blackplates - tvr2500m 18:56:29 10/06/04 (1)
- Tubes - Sylvania 12ax7 vs 5751 3 mica blackplates - 4kids 20:25:55 10/06/04 (0)
- Not likely these two types were confused - Bambi B 06:25:45 10/06/04 (0)