Product Description
Matched pair of new old stock Tungsol 5881 beam power pentode vacuum tubes. One measures 5092 uMhos-47 ma. and the other 4959 uMhos-43 ma. Tested on Hickok AN/USM-118B tube tester. One box flap is torn.
Matched pair of new old stock Tungsol 5881 beam power pentode vacuum tubes. One measures 5092 uMhos-47 ma. and the other 4959 uMhos-43 ma. Tested on Hickok AN/USM-118B tube tester. One box flap is torn.