4 new 6AU6A black plate gold star label Westinghouse uniform NOS NIB USA tubes - $38 - (Monongahela, PA)

4 new 6AU6A black plate gold star label Westinghouse NOS NIB NEW USA factory uniform You are buying 4 tubes, NOS NIB NEW USA, Westinghouse 6AU6A, construction of BLACK PLATE, square getter, gold star label. Outstanding audio tubes, these rock without any doubts. These tubes test strong: Tube #1: 3050 micromhos @ 7.1ma plate current Tube #2: 3100 micromhos @ 7.8ma plate current Tube #3: 3100 micromhos @ 7.2ma plate current Tube #4: 2950 micromhos @ 7.1ma plate current All 4 tubes: no shorts or leakagetesting performed on our calibrated Hickok 752A mutual conductance tube tester. photos show all 4 tubes being tested Hickok 752A test parameters for 6AU6: signal voltage 1.25 Vac, meter scale X4, min good is 1900 micromhos+. [INV4]

Posted in Monongahela, PA, Business for Sale
From ebay.com - 1 month ago