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(1) Tested GE 12BH7A Tube Date Code 60-30 Gray Plates Halo Getter 12BH7 A Tube

(1) Tested GE 12BH7A Tube Date Code 60-30 Gray Plates Halo Getter 12BH7 A Tube

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$18.95 USD
$18.95 USD
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(1) Tested GE 12BH7A Tube.
Date Code 60-30.

Gray plates with a top round halo getter.

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

Test = 2450-2700 micromhos
Minimum pass/good = 1500-1500

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