Beam Power Tube
Transmitting Tetrode
The 4X150D tetrode is an air cooled compact power tube intended for use as an amplifier,
oscillator, or frequency multiplier at frequencies up to 500 megacycles. It is used in
broadcasting equipment.
Electrical Data:
Heater Voltage ................................ 26.5 V
Heater Current ................................. .58 A
Preferred Substitutes .............. 4X150D, 4X150, 7035, QEL1/150H