ONE – Amperex (GE) 12AX7A Vacuum Tube (the Vacuum Tube described and pictured). Triode 1: TV-7 Reading = 40 = 1000 umhos = 80%. For Reference: Typical New TV-7 test value for a 12AX7 is 50 (1250 umhos).
ONE – Amperex (GE) 12AX7A Vacuum Tube (the Vacuum Tube described and pictured). Triode 1: TV-7 Reading = 40 = 1000 umhos = 80%. For Reference: Typical New TV-7 test value for a 12AX7 is 50 (1250 umhos).