$75
RCA 4677
Beam Power Tetrode
Ceramic
470 MHz
300W
Forced -air -cooled.
Sutable for use as
RF amp, oscillator, regulator,
distributed or linear RF Power amplifier.
Heater 13.5 volts @ 1.3 amps,
Class B service:
Plate voltage 2 Kv @ .3A,
G2 .25 Kv, drive power 8 watts,
power output 300 watts,
Pd 400 watts,
G2d 8 watts, @ up to 470 mHz..
Output circuits may be tank or strip line construction.
Old Stock, in RCA OEM carton. Some wear on carton
See Photos
Open to offers