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(1) Tested Delco 12V6GT Tube Code 526 Sylvania EIA Code Beam Power Tube

(1) Tested Delco 12V6GT Tube Code 526 Sylvania EIA Code Beam Power Tube

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(1) Tested Delco 12V6GT Tube.
Date Code 526.
The 312 EIA code indicates that this tube was made by Sylvania for Delco.

This tube tests as NOS.

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

Gm Test = 3925 micromhos
Minimum pass/good = 2320
NOS rating = 3480

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