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Classic Currents

(1) Tested RCA Type 24A Tube Date Code T4 RCA 24 A Tube Sharp Cutoff Tetrode

(1) Tested RCA Type 24A Tube Date Code T4 RCA 24 A Tube Sharp Cutoff Tetrode

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(1) Tested RCA Type 24A Tube.
Date Code T4.

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

Gm Test = 1150 micromhos
Minimum pass/good = 630

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