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Classic Currents

(1) Tested CBS 6CU6 Tube Date Code DE CBS 6CU6 Beam Power Tube

(1) Tested CBS 6CU6 Tube Date Code DE CBS 6CU6 Beam Power Tube

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(1) Tested CBS 6CU6 Tube.
Date Code DE.

The tube number is mostly worn away from the glass.

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

Gm Test = 4100 micromhos
Minimum pass/good = 2800

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