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(1) Tested International Service Master 6AJ8 ECH81 Tube Made in Hungary Code G50

(1) Tested International Service Master 6AJ8 ECH81 Tube Made in Hungary Code G50

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$18.95 USD
$18.95 USD
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(1) Tested International Service Master 6AJ8/ECH81 Tube with Original Box.
Date Code G50. Made in Hungary.
There is a small bit of writing on one side panel of the box.
This tube tests above NOS ratings.

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

Gm Test = 1400-2600 micromhos
Minimum pass/good = 800-1650
Average NOS ratings = 1220-2475

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