The 5-6 or TH5-6 and 8161R is a 4000 watt, forced air cooled triode with a mu of 22 and a maximum frequency of 110 MHz. It is a version of the 3CX2500A3 with a special filament radiator. This tube has a mesh filament and the same tube with a hairpin filament is designated the TH5-4.
Length = 9.75" Diameter = 4.15"
Max voltage = 6000
Max current = 2.5 amps
Fil voltage = 7.5
Fil current = 51.5 amps GOTO INDEX