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Classic Currents

(1) Tested Westinghouse 6BK7B Tube Date Code 69-58 6BK7 B Tube Twin Triode Tube

(1) Tested Westinghouse 6BK7B Tube Date Code 69-58 6BK7 B Tube Twin Triode Tube

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$9.95 USD
$9.95 USD
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(1) Tested Very Strong Westinghouse 6BK7B Tube.
Date Code 69-58.
The wording is partially worn away but still recognizable as being Westinghouse branded.

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

Gm Test = 11,250-10,500 micromhos
Minimum pass/good = 5350-5350

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