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Classic Currents

(1) Tested 1944 Mil Spec RCA JAN CRC 12SF7 Tube with Box Date Code H5E (b)

(1) Tested 1944 Mil Spec RCA JAN CRC 12SF7 Tube with Box Date Code H5E (b)

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$14.95 USD
$14.95 USD
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(1) Tested RCA JAN-CRC-12SF7 Tube with Original Box.
Date Code H5E.
The box has a wartime contract date of October, 1944.

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

Gm Test = 2275 micromhos
Minimum pass/good = 1260
The diode section tests strong.

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