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Classic Currents

(1) Tested Sylvania 6BQ7A 6BZ7 Tube with Box Code ai AAB 6BQ7 A Twin Triode Tube

(1) Tested Sylvania 6BQ7A 6BZ7 Tube with Box Code ai AAB 6BQ7 A Twin Triode Tube

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$9.95 USD
$9.95 USD
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(1) Tested Sylvania 6BQ7A 6BZ7 Tube with Original Box.
Date Code ai AAB.

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

Gm Test = 7250-6750 micromhos
Minimum pass/good = 4000-4000

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