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(1) Tested National Union 7Q7 Tube with Box Code JC Pentagrid Converter Loctal

(1) Tested National Union 7Q7 Tube with Box Code JC Pentagrid Converter Loctal

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$9.95 USD
$9.95 USD
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(1) Tested National Union 7Q7 Tube with Original Box.
Date Code JC.
The date code on the tube is the same as the date code on the front tab of the box so you know it's the original box that it left the factory with.
The box shows areas of staining and scuffing.
Tested on a calibrated Hickok TV-10 military tube tester and exhibiting no shorts or leaks with the following results:

Gm Test = 825-750 micromhos
Minimum pass/good = 500-500

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