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Classic Currents

Tested Matched Pair Balanced 1956 Sylvania 25Z5 Tubes Boxes Codes 6-39 Rectifier

Tested Matched Pair Balanced 1956 Sylvania 25Z5 Tubes Boxes Codes 6-39 Rectifier

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$38.95 USD
$38.95 USD
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Tested Matched Pair Balanced Sylvania 25Z5 Tubes with Original Boxes.
Date Codes 6-39 (39th week of 1956).

Tubes are balanced and matched for testing (see below), date codes and internal structure - they are identical.
The boxes have some soft creases. One box has some tearing at the top - see photos.

Tested on a calibrated Hickok TV-10 military tube tester with no shorts at 1500-1500 and 1500-1500 where 800-800 is minimum pass/good.

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