Portable cassette stereo tape recorder `` Spring M-310S ''.
Cassette tape recorders, portable.The cassette stereophonic recorder "Vesna-310S" has been produced since 1985 by the Zaporozhye EMZ "Iskra". The tape recorder provides recording of stereo and mono phonograms with subsequent playback. There is a possibility: automatic stop at the end of the cassette or its malfunction; automatic adjustment of the recording level; control of the recording level by peak indicators (on LEDs); stereo balance adjustment; separate tone control; 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 elements 343 or from an alternating current network, through a remote power supply unit. The body of the tape recorders is made of impact-resistant polystyrene. The price of the tape recorder is 265 rubles. Tape type A4205-3 or A4212-ZB. The speed of the magnetic tape is 4.76 cm / s. 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 Z-V channel on the A4205-3 tape without SN is -48 dB, with SN -56 dB. Rated output power 2x0.5 W, maximum 2x1.2 W. Dimensions of the model 425x130x85 mm. Weight 2.2 kg. Since 1987, the tape recorder has been called "Spring M-310S".
