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(1) Tested Sylvania 12W6GT Tube Date Code 631-C Sylvania 12W6 GT Beam Power

(1) Tested Sylvania 12W6GT Tube Date Code 631-C Sylvania 12W6 GT Beam Power

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(1) Tested Sylvania 12W6GT Tube.
Date Code 631-C.

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

Gm Test = 8250 micromhos
Minimum pass/good = 5650

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