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Classic Currents

Tested Matched Pair RCA 6EM5 Tubes and Boxes Date Codes EK Beam Power Tubes

Tested Matched Pair RCA 6EM5 Tubes and Boxes Date Codes EK Beam Power Tubes

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Tested Matched Pair of RCA 6EM5 Tubes with Original Boxes.
Date Codes EK.

Tubes are closely matched for Gm testing (see below), date codes and internal structure - they are identical.

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

Gm Test = 5750 and 5875 micromhos
Minimum pass/good = 3200

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