1KZ-7 1977
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Sound column "1KZ-7" was produced since 1977. Designed for scoring small public spaces. Input voltage 30 volts. Rated input power is 1 W. The nominal range of reproduced sound frequencies is 300 ... 8000 Hz. Two broadband speakers of the type 0.5GD-35K are used in the column.
Information from collection of Valery Khartchenko