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(1) Tested RCA 4EH7 LF183 Tube with Box Code EL. Made in Mexico Pentode Tube

(1) Tested RCA 4EH7 LF183 Tube with Box Code EL. Made in Mexico Pentode Tube

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$9.95 USD
$9.95 USD
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(1) Tested RCA 4EH7/LF183 Tube with Original Box.
Date Code EL. Made in Mexico.

The box shows areas of light scuffing.

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

Gm Test = 3125 micromhos
Minimum pass/good = 1575

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