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Classic Currents

Tested Matched Pair 1958 CBS 6SN7GT Tubes Black T Plates Codes 5805 6SN7 GT

Tested Matched Pair 1958 CBS 6SN7GT Tubes Black T Plates Codes 5805 6SN7 GT

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$124.95 USD
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Tested Matched Pair of CBS 6SN7GT Tubes.
Date Codes 5805 (5th week of 1958).

Tubes are matched for Gm testing (see below) and internal structure - they are identical.
Black 2 hole T plates with bottom square D getters.

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

Gm Test = 2875-3000 and 2875-3000 micromhos
Minimum pass/good = 1650-1650

Also performance tested in-circuit through a Class A amplifier with no microphonics detected.

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