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(1) Tested Truetone 6BC5 Tube with Box Date Code 6517 Sharp Cutoff Pentode Tube

(1) Tested Truetone 6BC5 Tube with Box Date Code 6517 Sharp Cutoff Pentode Tube

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(1) Tested Truetone 6BC5 Tube with Original Box.
Date Code 6517.
The 274 EIA code indicates that this tube was made by RCA for Truetone.

The wording on the glass is a bit worn and faded but still legible.

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

Gm Test = 4350 micromhos
Minimum pass/good = 2000

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