RCA 12AX7A NOS NIB Tested Double Triode Tube Valve Rohre
RCA 12AX7A Double Triode Audio Frequency Tube. NOS / NIB Tube. Tested on AVO 160 With All our tubes are tested f or shorts and gas leak. Noval B9A. S =2.1 / 2.1 mA/V (1.6 = 100 %). Result: Ia =2.5 / 2.5 mA ( 1.2 = 100 %).