Black-and-white television receiver "Quartz-306".

Black and white televisionsDomesticSince 1976, the "Quartz-306" TV has been produced by the Omsk Television Plant. The unified TV set "Quartz-306" (ULPT-40-III) replaced the previous model, the TV set "Quartz-303". The model uses a modern kinescope 40LK6B, and some of the radio tubes are replaced by transistors. They produced a TV in a tabletop design with various finishes. The TV works in any of the 12 channels. The controls are located on the front panel. These are the local oscillator and PTC knob, network switch, volume, brightness and contrast. On the right and side of the chassis, there are controls for vertical linearity, vertical and horizontal size, frame rate, lines, and on the left side of the chassis there are headphone jacks. AGC makes a high-quality image when the signal level changes. AFC and F provides stability of synchronization in case of interference. The back of the device is closed with a duralumin cover with ventilation holes. The phone jacks can also be used to record sound on a tape recorder. The speaker system consists of a loudspeaker 1GD-36. Power supply from a network of 110, 127 or 220 V. TV sensitivity - 100 μV. Rated output power 0.5 W. Sound frequency range 125 ... 7000 Hz. Power consumption 140 watts. The dimensions of the model are 383x502x438 mm. Weight 22 kg. The TV set "Quartz-306-1" (ULPT-40-III-I), produced since 1986, does not differ from the TV set "Quartz-306" in design, design and electrical circuit, but has fallen in price. Since 1977, the "Quartz-306" TV, as well as "Quartz-306-1" later, has been produced designed for power supply from the mains only 220 V.