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Classic Currents

(1) Tested RCA 6CU5 with Box Date Code CV Black Plate Beam Power Pentode Tube

(1) Tested RCA 6CU5 with Box Date Code CV Black Plate Beam Power Pentode Tube

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$7.95 USD
$7.95 USD
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(1) Tested RCA 6CU5 Tube with Original Box.
Date Code CV. Black plate.

The wording is partially worn and faded 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 = 8250 micromhos
Minimum pass/good = 5650

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