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(1) Tested Silvertone Type 24A Tube Code 93X Tube Sharp Cutoff Tetrode Tube

(1) Tested Silvertone Type 24A Tube Code 93X Tube Sharp Cutoff Tetrode Tube

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$9.95 USD
$9.95 USD
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(1) Tested Super Silvertone Type 24A Tube.
Date Code 93X.

This tube tests well 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 = 1675 micromhos
Minimum pass/good = 630
Average NOS rating = 945

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