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Classic Currents

(1) Tested RCA 1LB4 Tube Date Code 443 Loctal Tube Loktal Power Pentode Tube

(1) Tested RCA 1LB4 Tube Date Code 443 Loctal Tube Loktal Power Pentode Tube

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$14.95 USD
$14.95 USD
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(1) Tested RCA 1LB4 Tube.
Date Code 443.

The wording is partially worn away but still legible.

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

Gm Test = 875 micromhos
Minimum pass/good = 580

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