HalfWave Rectifier
Various Name Brands
The 117L7 / M7GT Vacuum tube is a Beam Power Tetrode. These tubes are used in radios. They require a
eight pin socket.
Electrical Data:
Voltage ................................ 117 V
Heater Current ......................... 0.09 A
Preferred Substitutes ............ 117L7, 117L7GT, M7GT