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Showing results for tags '6sn7gt'.
Further information: Sylvania JanCHS 6SN7WGT pair fat brown base chrome dome These are NOS tubes and are interchangeable with 6sn7 types, this a premium quality version of the 6SN7GT designed for use where shock and vibration are a factor such as in airborne military equipment Just tested on my Hickok 750 tester and they pass shorts and gas tests and measure as new with both tubes and sections close. Cosmetically writing on the glass is fading on one and writing on the base is also fading on one. Base structure underneath is slightly different I