Radio ricevente BC-342
Radio ricevente BC-342 in uso all'esercito degli Stati Uniti durante la prima guerra mondiale Power - An internal RA-20 AC rectifier power supply unit is fitted providing 250 volts DC and 12 vo;ts AC for the receiver tube filaments (three pairs of the 6 volt tubes are wired in series and three in series / parallel). Manual Reference: TM Components: RA-20 Power Supply Weight: 58 lbs. Frequency Range: MHz Power Input: 110 VAC 60 Hz Part of: SCR-197, SCR-237, SCR-277, SCR-299, SCR-399, MRC-1 10 vacuum tubes[2] included: RF amplifiers - 6K7 (2) Mixer - 6L7 Local oscillator - 6C5 IF amplifiers - 6K7 (2) CW oscillator (BFO) - 6C5 Detector/1st AF - 6R7 Audio output - 6F6 Rectifier - 5W4 Solo ritiro Per maggiori info Pasquale