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The graphic equalizer "Electronics EK-004-stereo" has been produced since the beginning of 1985. Graphic equalizer "Electronics EK-004-stereo" allows you to adjust the non-linearity of the frequency response of the electro-acoustic path of the radio reproducing radio equipment. Specifications: Frequency range 20 ... 35000 Hz. Total SOI at frequencies of 40 ... 16000 Hz - 0.02%. Signal to noise ratio of 98 dB. The number of adjustable bands for each channel is 8. The frequency response adjustment range is at least ± 72 dB. Overall dimensions of the equalizer 460x350x100 mm. Its mass is not more than 3.2 kg.