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In Reply to: RE: Somedays tube hunting goes better than others posted by Mendel on October 4, 2021 at 12:33:30:
Well now you are. These are the original earliest design of the EL34 with metal bases and foil disk getters. These came before the xF1 tubes and have the codes stamped in the metal and not acid etched into the glass like later tubes had
Sitting here on the Group W bench
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Follow Ups
- RE: Somedays tube hunting goes better than others - Permanent Waves 16:44:55 10/05/21 (2)
- RE: Somedays tube hunting goes better than others - Mendel 17:26:27 10/05/21 (1)
- RE: Somedays tube hunting goes better than others - Permanent Waves 17:54:53 10/05/21 (0)