Network tube radios "Agat" and "Chaika".
Network tube radiosDomesticNetwork tube radios "Agat" and "Chaika" have been produced by the Dnepropetrovsk Radio Plant since the beginning of 1965. Domestic industry in 1964 ... 1965 produced the radio "Agat", "Angara", "Siberia", "Sirius" and "Chaika", All of them consist of a 5-tube radio receiver of the 3rd class on unified units and an electric playing device. The radio receiver of the radio provides reception of broadcasting stations in the range of long (150 ... 408 kHz), medium (525 ... 1605 kHz) and ultrashort (65.8 ... 73 MHz) waves. The rated output power of the LF amplifier is 0.5 W, the band of reproducible sound frequencies is 150 ... 7000 Hz. The radio receiver has a smooth tone control at the highest sound frequencies. Power consumption from an alternating current voltage of 127 or 220 V when receiving radio stations - 45 W, when playing a record - 55 W. The electric playing device has three speeds: 33 1/3, 45 and 78 rpm. The acoustic system of the radio "Agat" consists of two frontal loudspeakers 1GD-30, for the radio "Angara", "Sirius" and "Chaika" from two loudspeakers 1GD-28, for the radio "Siberia" - of two loudspeakers of type 1GD-11 or 1GD -five. The cases of all the radios are wooden, trimmed to look like precious woods. Radiol front panels have a plastic frame. Radiol "Agat" and "Chaika" were released only a few hundred. Already in the spring of 1965, both radios were discontinued and replaced with one modernized model "Chaika-M", where, along with the DV, SV, VHF bands, the short wave range from 25 to 75 meters was also added.