Ekvalajzer 1977
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Radio electronics "Electronics" (Equalizer) presumably since 1977 produced a pilot plant of the Novosibirsk Research Institute "Vostok". RC is designed to build a multiband tone control - equalizer. 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 2.5, 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 from the built-in power supply, which is powered from the network.
Information from collection of Valery Khartchenko