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In Reply to: RE: Help Identify a Sylvania NOS 6SN7-GT Tube. posted by Mendel on May 23, 2014 at 06:41:07:
Given the descriptions in the head-fi.org thread as noted above, I was thinking that the presence of the lightning bolt logo would indicate that it is a 6SN7GT, ver. 1, as opposed to a Bad Boy, which is not described as having the logo.
Edits: 05/23/14
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- RE: Help Identify a Sylvania NOS 6SN7-GT Tube. - asindc 07:08:26 05/23/14 (0)