The RK-12 is a 25 watt dissipation triode with a mu of 80 and full ratings to 60 MHz made by Raytheon. A low mu version of this tube is the RK-11.
Length = 6.25" Diameter = 2.25"
Max voltage = 750
Max current = 100 ma
Fil voltage = 6.3
Fil current = 3 amp GOTO INDEX