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(1) Tested Dumont Emerson 6EJ7 Tube 639 Made in Japan Dumont-Emerson 6EJ7 Tube

(1) Tested Dumont Emerson 6EJ7 Tube 639 Made in Japan Dumont-Emerson 6EJ7 Tube

Made in Japan

$9.95 USD
$9.95 USD
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(1) Tested Dumont-Emerson 6EJ7 Tube.
Date Code 639. Made in Japan.

The wording is partially worn away but is still recognizable as Dumont-Emerson branded.

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

Gm Test = 4400 micromhos
Minimum pass/good = 2500

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