Combined unit '' Leningrad T-3 ''.
Combined apparatus.The combined installation "Leningrad T-3" from the IV-quarter of 1948 was produced by the Leningrad plant named after Kozitsky. The installation contains a TV set, a radio receiver and a turntable. The installation has 32 lamps and a 31LK1B round picture tube with a beam deflection of 53 °. The TV channels are made according to the superheterodyne scheme with the separation of the image and sound signals after the converter. He could receive 3 programs and FM radio stations in 3 sub-bands. The radio receiver `` Leningrad-50 '' is designed to receive stations in the DV, SV and HF bands. The EPU with a pickup and a hitchhiker played records at a speed of 78 rpm. When receiving television, 32 lamps worked, VHF-FM - 13 lamps, while receiving AM - 15 lamps. The scheme of unfolding devices is the same as in the TV Leningrad T-1, the synchronization channel is complicated, a new automatic line frequency control is applied. The chassis with a picture tube, receiver, EPU and loudspeakers are enclosed in a wooden console-type box. The parameters of the model correspond to the parameters of the devices on the basis of which it was created. The speaker system consists of 4 multi-way loudspeakers and with an input power of 8 W reproduces the audio frequency band of 80 ... 10000 Hz. Power consumption when receiving TV is about 450 W, radio and player 185 W. The dimensions of the device are 1350x1150x500 mm. Weight 150 kg. The installation did not go on free sale, but was distributed to the houses of culture of large cities, as well as as awards to honored people or for gifts to distinguished officials in the ruling nomenclature of the country.
