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Classic Currents

(1) Tested RCA 6BL7GTA Tube Date Code LQ RCA 6BL7 GTA Tube Medium Mu Twin Triode

(1) Tested RCA 6BL7GTA Tube Date Code LQ RCA 6BL7 GTA Tube Medium Mu Twin Triode

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(1) Tested RCA 6BL7GTA Tube.
Date Code LQ.

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

Gm Test = 6500-6875 micromhos
Minimum pass/good = 3150-3150

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