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Classic Currents

(1) Tested 1959 RCA 6SG7 Tube with Box Date Code 952 RCA 6SG7 Pentode Tube

(1) Tested 1959 RCA 6SG7 Tube with Box Date Code 952 RCA 6SG7 Pentode Tube

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(1) Tested RCA 6SG7 Tube with Original Box.
Date Code 952 (52nd week of 1959).

The box has a small bit of writing on the front tab - see photos.

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

Gm Test = 2750 micromhos
Minimum pass/good = 2100

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