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Radio electronics "Electronics" (Equalizer) since 1984 produced a pilot plant at the Novosibirsk Research Institute "Vostok". The radio constructor is designed to be assembled by radio amateurs of the average qualification of a multiband tone control - equalizer. Such tone controls allow you to get a higher fidelity of playing music programs than usual ones, allowing you to compensate for the uneven frequency response of the radio complex as a whole, due to one or another of its links. The equalizer also makes it possible to correct the frequency distortions due, for example, to the resonances of the room in which the radio complex and the individual objects in it are placed. The number of control bands 6. The frequency of the control bands: in the LF 60, 125 and 250 Hz. In the field of HF 4, 8, 16 kHz. The range of output voltage regulation is ± 10 dB. The gear ratio with the average position of the engines 0 dB. Power supply voltage ± 15 V. Current consumption 2x50 mA. Dimensions of the board 200x110x50 mm. Weight 0.6 kg.