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(1) Tested Strong 1955 Sylvania 5V6GT Tube Date Code BL 5V6 GT Beam Power Tube

(1) Tested Strong 1955 Sylvania 5V6GT Tube Date Code BL 5V6 GT Beam Power Tube

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(1) Tested Strong Sylvania 5V6GT Tube.
Date Code BL (November of 1955).

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

Gm Test = 4200 micromhos
Minimum pass/good = 2320

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