Akkord-2 1977
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Electro-acoustic unit "Accord-2" was produced since 1977 by the Smolensk plant "Centaur". Electro-acoustic unit (active speaker system) with an antiphonic magnetic pickup is designed to amplify the signals of plucked musical instruments with metal strings, as well as signals from the pickup, electric player, etc. The amplifier is powered from the network through the built-in power supply or from batteries. The maximum output power of the amplifier is 6 watts. The operating frequency range for sound pressure is 60 ... 12000 Hz. Coefficient of nonlinear distortion 2%. The dimensions of the unit are 300x150x450 mm. Weight 7.5 kg.
Documentation:
Information from collection of Valery Khartchenko