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In Reply to: RE: Help Identify a Sylvania NOS 6SN7-GT Tube. posted by Sherlock on May 25, 2014 at 16:56:21:
Yes, they both have the copper support rods.
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- RE: Help Identify a Sylvania NOS 6SN7-GT Tube. - asindc 18:53:52 05/27/14 (0)