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(1) Tested National Electronics 6C5 Tube Medium Mu Triode Black Metal Tube (b)

(1) Tested National Electronics 6C5 Tube Medium Mu Triode Black Metal Tube (b)

Tested and Guaranteed

$9.95 USD
$9.95 USD
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(1) Tested National Electronics 6C5 Tube.

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

Gm Test = 1975 micromhos
Minimum pass/good = 1260

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