Remote-Cutoff Pentode
Various Brands
The 7B7 Vacuum tube is a glass lock-in type used as an RF
or IF amplifier in radio receivers employing AVC. It
requires a lock-in 8-contact socket.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ............................... 0.15 A
Preferred Substitutes ................ 7AH7
Substitutes .............. 7A7 7AJ7 7H7 7T7