The RK-28 is a 100 watt power pentode with full ratings to 30 MHz made by Raytheon. This tube was re-branded with the added markings: HALLETT GLASS, Hallett Industries Inc., 96 Station Plaza, Lynbrook, N.Y.
Length = 9.38" Diameter = 2.13"
Max voltage = 2000
Max current = 150 ma
Fil voltage = 10
Fil current = 5 amps GOTO INDEX