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(1) Tested GM (Delco) 6U7G Tube Date Code I7 Engraved Base Pentode Tube

(1) Tested GM (Delco) 6U7G Tube Date Code I7 Engraved Base Pentode Tube

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$14.95 USD
$14.95 USD
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(1) Tested GM Genuine Parts (Delco) 6U7G Engraved BaseTube.
Date Code I7.
The base has various areas of minor scratching.

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

Gm Test = 1500 micromhos
Minimum pass/good = 1000

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