Radio receiver `` ECHP ''
Tube radios.DomesticThe "ECHP" radio receiver during 1932 in the amount of 6,000 was planned to be produced at the Moscow Electrotechnical Plant "Moselectrik". "ECHP" stands for "Shielded, Four-lamp, Permanent". The model is a four-tube, dual-circuit, feedback receiver with DC power supply. The receiver has sockets for connecting an adapter. The range of received frequencies is 200 ... 2000 meters. Reception is made on headphones or when receiving local stations on a loudspeaker. The output power of the receiver amplifier is 50 mW.