6SK7, RSD, 6SK7M, CV1981, FOR HALLICRAFTERS COMMS RECEIVER & SEEBURG JUKEBOX

6SK7, RSD, 6SK7M, CV1981,  HALLICRAFTERS, SEEBURG JUKEBOX

Hallicrafters shortwave radios used the 6SK7 as well as Seeburg Jukebox models 146, 147, 148, M100C, HF100G/W100, HF100R/J & JL100 and V200/VL200.