Portable cassette recorder "Proton-401".

Cassette tape recorders, portable.The portable cassette recorder "Proton-401" since the beginning of 1980 has been producing the Kharkov radio plant "Proton". The tape recorder is intended for recording and reproducing phonograms from a microphone, receiver, pickup and other sources of low frequency signals. Provided: ARUZ, hitchhiking at the end of the magnetic tape in the cassette, a dial indicator of the recording level and a built-in microphone. Powered by six A-373 elements or 220 V electrical network, in this case the output power doubles. The belt pulling speed is 4.76 cm / s. Knock coefficient ± 0.4%. Rated output power when powered from the mains 1.2 W. Harmonic coefficient of the Z / V channel 5% The operating frequency range on the LV is 63 ... 10000 Hz, the loudspeaker is 200 ... 8000 Hz. The level of interference in the recording and playback channel is -42 dB. The power consumed from the network is 12 W. Dimensions of the device 260x205x75 mm, weight 3 kg. The price is 200 rubles.