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Classic Currents

(1) Tested Very Strong RCA Radiotron Type 56 Tube RCA 56 Medium Mu Triode Tube

(1) Tested Very Strong RCA Radiotron Type 56 Tube RCA 56 Medium Mu Triode Tube

Tested and Guaranteed

$11.95 USD
$11.95 USD
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(1) Tested Very Strong RCA Type 56 Tube.

The wording on the base is faded but still legible.
The tube number is also faded on the glass.

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

Gm Test = 1950 micromhos
Minimum pass/good = 920

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