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(1) Tested Motorola 6BL8 Tube Date Code 7M-431 Made in Japan Triode Pentode Tube

(1) Tested Motorola 6BL8 Tube Date Code 7M-431 Made in Japan Triode Pentode Tube

Made in Japan

$9.95 USD
$9.95 USD
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(1) Tested Motorola 6BL8 Tube.
Date Code 7M-431. Made in Japan.

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

Gm Test = 2200-2600 micromhos
Minimum pass/good = 1600-1900

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