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Tested Matched Pair 1963 Tung Sol JAN 6AH6WA Tubes Codes 6321 6AH6 WA Tube (a)

Tested Matched Pair 1963 Tung Sol JAN 6AH6WA Tubes Codes 6321 6AH6 WA Tube (a)

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$24.95 USD
$24.95 USD
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Tested Matched Pair of 1963 Tung Sol USAF-6AH6WA Air Force Mil Spec Tubes with Original Boxes.
Date Codes 6321.
Each box has a packaged date of 5/63 (May, 1963).

Tubes are matched for mutual conductance (Gm), date codes and internal structure - of which they are identical.
The wording on glass is faded but still very legible.

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

Gm Test = 6375 and 6375 micromhos
Minimum pass/good = 3800

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