The 4622 is a 115 watt tetrode made by RCA that is similar to the 7649. Maximum frequency is 400 MHz. Length = 1.93" Diameter = 1.32" Max voltage = 3000 Max current = 50/3000 ma (pulse) Fil voltage = 6.3 Fil current = 3.2 amps GOTO INDEX
The 4622 is a 115 watt tetrode made by RCA that is similar to the 7649. Maximum frequency is 400 MHz.