Portable cassette tape recorders "Tarnair-310-stereo".
Cassette tape recorders, portable.The portable cassette stereo tape recorder "Tarnair-310-stereo" has been producing the Makhachkala Radio Goods Plant since 1985. They provide recording of mono and stereo phonograms with subsequent playback by a loudspeaker, speakers or stereo phones. There is a possibility: automatic stop of work at the end of a magnetic tape in a cassette or a cassette malfunction; automatic adjustment of the recording level; control of the recording level by peak indicators (on LEDs); stereo balance adjustment; separate tone control for treble and bass; the use of magnetic tapes of two types; automatic switching of tape types. Noise reduction system ensures less interference during playback. Power is supplied from six 343 cells or from the AC mains through a remote power supply. The body is made of impact-resistant polystyrene. The set includes 2 MK-60 cassettes. Brief technical characteristics: Type of tape А4205-3 or А4212-ЗБ. The speed of the magnetic tape is 4.76 cm / s. Maximum recording or playback time 2x30 min. The frequency range when using A4205-3 tape is 63 ... 10000 Hz, A4212-ZB - 63 ... 12500 Hz. Knock coefficient ± 0.3%. The harmonic coefficient on the LV is 4.5%. The relative level of noise and interference in the recording-playback channel when using A4205-3 tape without SN is -48 dB, with SN -56 dB. Rated output power 2x0.5, maximum 2x1.2 W. The dimensions of the device are 423x126x83 mm. Weight 2.5 kg. Since 1987, the tape recorder was called "Tarnair M-310-stereo".