This vacuum tube has been tested with a vacuum tube tester of TV-7. Both plates and all vacuum tubes are 54 to 58 exceeding the minimum value of 32. The goods are all in the photograph.
4 x ECC83 12AX7A TELEFUNKEN with Diamond Mark TESTED Vacuum Tube
Pair of Amperex (Mullard lbl) 7308 E188CC NOS NIB 1965 Vacuum Tubes
ZENITH 12AX7A TUBE PAIR (box plate US-made NOS tested) ***
SYLVANIA 12AX7 ECC83 TUBE PAIR (circa 50s square getter TESTED STRONG) ***
2 x NOS tubes ECC83 12AX7 Philips Valvo matched pair
