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(1) Tested Motorola 12K5 Tube Date Code 5706-1 Power Tetrode Vacuum Tube

(1) Tested Motorola 12K5 Tube Date Code 5706-1 Power Tetrode Vacuum Tube

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(1) Tested Motorola 12K5 Tube.
Date Code 5706-1.
The 322 EIA code indicates that this tube was made by Tung-Sol for Motorola.

The wording is faded but still recognizable as being Motorola branded.

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

Gm Test = 2900 micromhos
Minimum pass/good = 1900

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