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(1) Tested 1962 RCA 6BF5 Tube with Box Date Code MT Pentode Vacuum Tube

(1) Tested 1962 RCA 6BF5 Tube with Box Date Code MT Pentode Vacuum Tube

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$9.95 USD
$9.95 USD
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(1) Tested RCA 6BF5 Tube with Original Box.
Date Code FI (June of 1962).

The wording is partially faded and worn but still legible.

This tube tests as NOS.

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

Gm Test = 4250 micromhos
Minimum pass/good = 2140
NOS rating = 3210

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