Cassette recorder `` Desna ''.
Cassette tape recorders, portable.Since 1969, the Desna cassette recorder has been produced by the Kharkov Radio Plant "Proton". Desna is the first Russian cassette recorder. The basis for its development was the "Philips EL-3300" tape recorder of 1967. The speed of the magnetic tape is 4.76 cm / s. The width of the magnetic tape placed in the cassette is 3.81 mm. The tape type is PE-65. The length of the magnetic tape in the cassette is 18 microns about 90 meters. Sounding or recording time one hour. Range of recorded frequencies 80 ... 8000 Hz, reproduced by loudspeaker 200 ... 6300 Hz. Microphone input voltage - 200 μV, pickup - 250 mV, radio lines 10 V. Output voltage on LP 200 mV LPM detonation ± 0.7% Loudspeaker 0.25GD-2 Microphone type MD-64A Dimensions of the tape recorder 222x122x65.5 mm Weight 1.8 kg Power supply: six A343 elements or a network through a separate power supply unit. The price of a Desna tape recorder with a packing box, a power supply, a microphone with a remote control, various cords, a leather carrying case, a cassette with a recording, a clean cassette for recording and spare parts is 220 rubles.
