Semiremote-Cutoff Pentode
The 12SG7 Vacuum tube is a metal type used as a RF
amplifier in AC/DC receivers involving HF, wide-band
applications. It requires an octal socket.
Electrical Data:
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A
Preferred Substitutes ....................... 12SH7, VT209