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Classic Currents

(1) Tested 1954 Western Electric 5847 404A Tube Black Plate Square Halo Code 426

(1) Tested 1954 Western Electric 5847 404A Tube Black Plate Square Halo Code 426

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$14.95 USD
$14.95 USD
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(1) Tested 1954 Western Electric 5847 404A Tube.
Date Code 426 places the production to April - June of 1954.

Black plates with a top square D halo getter.

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

Gm Test = 6750 micromhos
Minimum pass/good = 4600

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