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(1) Tested RCA 4BQ7A Tube with Box Date Code MH 4BQ7 A Twin Triode Vacuum Tube

(1) Tested RCA 4BQ7A Tube with Box Date Code MH 4BQ7 A Twin Triode Vacuum Tube

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(1) Tested RCA 4BQ7A Tube with Original Box.
Date Code MH.

The box shows scuffing overall.
This tube tests as NOS.

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

Gm Test = 6500-7375 micromhos
Minimum pass/good = 4000-4000
NOS rating = 6000-6000

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