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Classic Currents

(1) Tested Western Electric 415A Tube Black Plate Square Getter Code 6539

(1) Tested Western Electric 415A Tube Black Plate Square Getter Code 6539

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$12.95 USD
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(1) Tested Western Electric 415A Tube.
Date Code 6539.

Similar to a 6AS6.
Black plates with a top square getter.

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

Gm Test = 2625 micromhos
Minimum pass/good = 1540

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