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(1) Tested Sylvania 25BQ6GT Tube Red Letters Code ja AAD 25BQ6 GT Power Tube

(1) Tested Sylvania 25BQ6GT Tube Red Letters Code ja AAD 25BQ6 GT Power Tube

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(1) Tested Sylvania 25BQ6GT Tube.
Red Letters. Date Code ja AAD.

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

Gm Test = 4825 micromhos
Minimum pass/good = 2800

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