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

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

Tested and Guaranteed

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

The wording is partially worn but still legible.

This tube tests as NOS.

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

Gm Test = 3025 micromhos
Minimum pass/good = 1575
NOS rating = 2365

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