5881 6L6WGB TUNG-SOL MATCHED PAIR USED TUBE VALVE . Tested 80% plus
5881/6L6WGB Tung-Sol USA used electrically matched pair. Y ou will receive 1 electrically matched pair 5881/6L6WGB Tung-Sol used. Our usual tube tester is the AVO VCM163. One of the best testers in the world.