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Classic Currents

(1) Tested 1954 Tung Sol 12AX7 Tube Gray Plates Bent Square Getter Code 443-3

(1) Tested 1954 Tung Sol 12AX7 Tube Gray Plates Bent Square Getter Code 443-3

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$34.95 USD
$34.95 USD
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(1) Tested Strong Tung Sol USA 12AX7 Tube.
Date Code 443-3 (43rd week of 1954).

Gray plates with a top bent square getter.
The wording is partially worn but still legible.

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

Gm Test = 1750-1875 micromhos
Minimum pass/good = 950-950

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