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Since 1956, the Dnepr-9 network reel tape recorder has been producing the Kiev equipment factory.
The device is designed to record and play double-track phonograms.
The transition from track to track is made by rearranging and turning over coils with magnetic tape.
The capacity of the coils is 350 m. The speed of the tape is 19.05 cm / sec.
The recording time is 30 minutes on each track.
The model has: two-sided fast-forward tape;
tone control for bass and treble;
recording level indicator.
The frequency range of the recording and playback channel is 50 ... 10000 Hz.
Distortion factor 5%.
Noise level is -35 dB.
Sensitivity 3 mV from the microphone, 200 mV from the pickup or receiver, 10 V from the broadcast line.
The rated output power is 2.5 watts.
The detonation coefficient of 0.6%.
The device is powered from a network of 110, 127 or 220 V. Power consumption is 100 watts.
The dimensions of the tape recorder are 510x350x320 mm.
Weight is 28 kg.