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(1) Tested RCA 6GF7A Tube with Box Date Code 71-39 RCA 6GF7 A Dual Triode Tube

(1) Tested RCA 6GF7A Tube with Box Date Code 71-39 RCA 6GF7 A Dual Triode Tube

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$9.95 USD
$9.95 USD
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(1) Tested RCA 6GF7A Tube with Original Box.
Date Code 71-39.

Box has light handwriting on the front tab from a previous owner. See test results below.

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

Gm Test = 550-3875 micromhos
Minimum pass/good = 220-3450

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