Voltage Regulator
The 874 Vacuum Tube was developed by RCA in 1925. It has a 150V stabilized voltage at 10 to
50mA and requires a four pin UX-Base socket.
Regulator
Maximum Supply Voltage ........................ 125 V
Regulated Voltage ............................. 90 V
Maximum Current ............................... 50 mA
Minimum Current ............................... 10 mA
Preferred Substitute ............................... 38274.