Twin Diode - High-Mu Triode
The 12SQ7 Vacuum Tube is a metal type used as a combined
detector, amplifier and AVC
tube in AC/DC radio receivers. It requires an octal
socket.
Electrical Data:
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A
Preferred Substitutes .................... 12SR7
Substitutes .............................. 12SW7