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Classic Currents

(1) Tested 1957 Sylvania 6BQ6GTA Tube Date Code DK Sylvania 6BQ6 GTA Tube

(1) Tested 1957 Sylvania 6BQ6GTA Tube Date Code DK Sylvania 6BQ6 GTA Tube

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(1) Tested Sylvania 6BQ6GTA Tube.
Date Code DK (October of 1957).

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

Gm Test = 5125 micromhos
Minimum pass/good = 2800

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