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Classic Currents

(1) Tested 1953 Sylvania 25BQ6GT Tube Date Code 352 Sylvania 25BQ6 GT Power Tube

(1) Tested 1953 Sylvania 25BQ6GT Tube Date Code 352 Sylvania 25BQ6 GT Power Tube

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(1) Tested Strong 1953 Sylvania 25BQ6GT Tube.
Date Code 352 (52nd week of 1953).

Tested on a calibrated Hickok TV-10 military tube tester with no shorts and no leaks with the following results:

Gm Test = 5200 micromhos
Minimum pass/good = 2800

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