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(1) Tested Matsushita 12BE6/HK90 Tube Code 4I4I 12BE6 Tube HK90 Tube Pentagrid

(1) Tested Matsushita 12BE6/HK90 Tube Code 4I4I 12BE6 Tube HK90 Tube Pentagrid

Made in Japan

$9.95 USD
$9.95 USD
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(1) Tested Matsushita 12BE6/HK90 Tube.
Date Code 4I4I.

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

Gm Test = 1450-1800 micromhos
Minimum pass/good = 900-1000

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