Symphony black-and-white television receiver.
Combined apparatus.The television receiver of the black-and-white image "Symphony" was developed and produced in a number of copies at the beginning of 1960 at the Kharkov plant "Kommunar". Experienced TV "Symphony" is designed to receive programs on any of the 12 channels of the MW range and receive six fixed, pre-tuned local broadcasting stations in the range of DV, SV and VHF-FM. The TV is assembled on 12 lamps and a 35LK2B kinescope, the receiver is assembled on 4 lamps and three more lamps are used for radio reception, which are used for television reception. When receiving radio stations, television lamps and a kinescope are turned off. The model has two loudspeakers 2GD-3 and 1GD-9. Sensitivity when receiving television programs 200 μV, with radio reception in the ranges: DV - 800 μV, SV - 500 μV, in VHF-FM - 50 μV. Adjacent channel selectivity in AM bands is about 12 dB. The radio uses a simplified superheterodyne circuit with a minimum number of circuits. The range of sound frequencies reproduced when receiving TV programs and VHF-FM radio stations is 100 ... 10000 Hz, when receiving AM radio stations of the 120 ... 5000 Hz ranges. The nominal output power of the sound channel is 2 W. Power consumption during TV operation 130 W, receiver 40 W. Dimensions of the TV 525x720x400 mm. Weight 33 kg. The estimated cost of TV is 300 rubles (1961). The TV has automatic brightness control. For various industrial and departmental reasons, the Symphony TV did not go into production.