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Classic Currents

(1) Tested RCA 6JF6 Tube Date Code EF RCA Beam Power Vacuum Tube

(1) Tested RCA 6JF6 Tube Date Code EF RCA Beam Power Vacuum Tube

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(1) Tested RCA 6JF6 Tube.
Date Code EF.

The wording is slightly worn on the glass. See test results below.

Tested on a calibrated Knight KG-600B tube tester with no shorts and no leaks where 50 is minimum pass/good with the following results:

RCA = 78

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