Twin Diode - Remote-Cutoff Pentode
The 2B7 Vacuum tube is a glass type used as a combined
detector, AVC tube and amplifier. It requires a
seven-contact socket. Except for its heater rating and
its inter-electrode capacitances, it is identical to the
6B6G.
Electrical Data:
Heater Voltage ............................... 2.5 V
Heater Current ............................... 0.8 A