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(1) Tested Tung-Sol 12AT7 Tube High-Mu Twin Triode Vintage Vacuum Tube

(1) Tested Tung-Sol 12AT7 Tube High-Mu Twin Triode Vintage Vacuum Tube

Tested and Guaranteed

$18.95 USD
$18.95 USD
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(1) Tested Tung-Sol 12AT7 Tube.

The wording is partially worn away but still recognizable as being Tung-Sol branded.

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

Gm Test = 3000-2875 micromhos
Minimum pass/good = 2500-2500

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