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Classic Currents

Tested Matched & Balanced Pair GE 12AU7A/ECC82 Tubes Codes HH 12AU7 A Tubes

Tested Matched & Balanced Pair GE 12AU7A/ECC82 Tubes Codes HH 12AU7 A Tubes

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$34.95 USD
$34.95 USD
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Tested Matched and Balanced Pair of GE 12AU7A/ECC82 Tubes.
Date Codes HH.

Tubes are matched for Gm testing and internal structure - they are identical.
The wording on each is partially worn away - see photos

 Balanced mutual conductance (Gm) with gray plates and top round halo getters.

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

Gm Test = 1950-1950 and 1950-1950 micromhos
Minimum pass/good = 1400-1400

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