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Classic Currents

(1) Tested RCA 6FM7 Tube with Box 6FM7 RCA Dual Triode Vacuum Tube (b)

(1) Tested RCA 6FM7 Tube with Box 6FM7 RCA Dual Triode Vacuum Tube (b)

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$9.95 USD

$9.95 USD

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(1) Tested RCA 6FM7 Tube with Original Box.

The wording is partially worn away but still recognizable as being RCA branded.

The box shows faint staining on the front tab/flap.

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 = 96-86

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