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(1) Tested RCA 1A7GT Tube with Box Date Code LF 1A7 GT Tube Pentagrid Converter

(1) Tested RCA 1A7GT Tube with Box Date Code LF 1A7 GT Tube Pentagrid Converter

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$11.95 USD
$11.95 USD
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(1) Tested RCA 1A7GT Tube with Original Box.
Date Code LF.

The box shows some scuffing - see photos.

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

Gm Test = 600-425 micromhos
Minimum pass/good = 410-315

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