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Classic Currents

(1) Tested 1953 Sylvania 6BQ6GT Tube Date Code 3-26 Sylvania 6BQ6 GT Power Tube

(1) Tested 1953 Sylvania 6BQ6GT Tube Date Code 3-26 Sylvania 6BQ6 GT Power Tube

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(1) Tested 1953 Sylvania 6BQ6GT Tube.
Date Code 3-26 (26th week of 1953).

The tube number is worn off of the glass.

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

Gm Test = 4350 micromhos
Minimum pass/good = 2800

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