Medium-Mu Twin Triode
The 12U7 Vacuum Tube is a miniature type used as a general purpose amplifier. This tube is
designed to operate where the heater and plate voltage are supplied directly from a 12 volt
battery.
It requires a miniature 9-contact socket.
Electrical Data:
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A
Substitutes ................................... 12AE7