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(1) Tested Magnavox 6FQ7 Tube Date Code 509 Long Gray Plates Halo Getter

(1) Tested Magnavox 6FQ7 Tube Date Code 509 Long Gray Plates Halo Getter

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(1) Tested Magnavox 6FQ7 Tube.
Date Code 509.
The 337 EIA code indicates that this tube was made by Westinghouse for Magnavox.

Long gray plates with a halo getter.

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

Gm Test = 2875-3250 micromhos
Minimum pass/good = 1650-1650

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