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Classic Currents

(1) Tested 1955 Sylvania 6W6GT Tube Code BL Beam Pentode Power Vacuum Tube (b)

(1) Tested 1955 Sylvania 6W6GT Tube Code BL Beam Pentode Power Vacuum Tube (b)

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(1) Tested Sylvania 6W6GT Tube.
Date Code BL (November of 1955).

The wording on the base is faded but still legible.

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

Gm Test = 8125 micromhos
Minimum pass/good = 5650

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