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Classic Currents

(1) Tested 1957 Western Electric 415A Tube with Box Black Plates Code 5713

(1) Tested 1957 Western Electric 415A Tube with Box Black Plates Code 5713

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$14.95 USD
$14.95 USD
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(1) Tested 1957 Western Electric 415A Tube.
Date Code 5713 places the production to January - March of 1957.
The date code on the tube matches the date on the box so you know it's the same one that it left the factory with.

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 = 2375 micromhos
Minimum pass/good = 1540

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