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Electroacoustic unit "Electron" with two speakers produced in 1972. Designed to amplify signals from electromusic instruments, radios, electric control units and tape recorders. Uncorrupted output power of 12 W, the range of reproducible frequencies of sound pressure 60 ... 12000 Hz. To obtain the effect of vibrato when working with an electric guitar, an oscillator is built into the amplifier, which allows you to receive a modulation of the signal with a frequency of 4 ... 8 Hz and a depth of 70%. Raising the frequency response in the middle frequency range by 10 dB provides a beautiful timbre of the sound of musical instruments. The unit is made in the form of two speakers, each of which has two loudspeakers 4ГД-28. In one speaker mounted transistor amplifier. The dimensions of any speaker are 340x160x600 mm, weight 8 and 12 kg (speakers with amplifier).