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(1) Tested Admiral 5U4GA 5U4GB Tube Black Ribbed Plates D Getter Code 56-22

(1) Tested Admiral 5U4GA 5U4GB Tube Black Ribbed Plates D Getter Code 56-22

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$22.95 USD
$22.95 USD
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(1) Tested Admiral 5U4GA/5U4GB Tube.
Date Code 56-22.
The 188 EIA code indicates that this tube was made by GE for Admiral.

Black ribbed plates and a top square D getter.

There are some small deep scratches near the bottom rim of the base.

Tested on a calibrated Hickok TV-10 military tube tester with no shorts at 1200-1250 where 800-800 is minimum pass/good.

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