The 4X500A is a 500 watt tetrode with full ratings to 120 MHz. Developed by Eimac, they were also made by RCA, Westinghouse (WL-4X500A) and others. This tube was used in television and FM transmitters.
Length = 4.75" Diameter = 2.62"
Max voltage = 4000
Max current = 350 ma
Fil voltage = 5
Fil current = 13.5 amps GOTO INDEX