A matched pair of new old stock General Electric 6883/8032A/8552 beam power amplifier vacuum tubes. Come in original boxes. One tests 7600 uMhos and the other 7790 uMhos -baseline acceptable 4750 uMhos. One tube tests 112.5 ma, the other 113.4 ma. plate current in test condition. Tested on Hickok AN/USM-118B or 539C tube tester.