Sorry, this page is not translated yet. Automatic translation used.
Reporter tape recorder Reporter-3 (M-75) since 1960 produced the Gorky plant named after GI Petrovsky. Portable professional tape recorder '' Reporter-3 '' is assembled on semiconductors and is intended for one-track recording for reportage purposes. Recording is made by a microphone on a pre-demagnetized magnetic tape of type 6. Listening to the recording is possible only through an external amplifier. There is a rewind tape. The tape is powered by special batteries. The recording speed is 19.05 cm / sec. The continuous recording time with a coil capacity of 150 meters is about 15 minutes. The working recording frequency range is 40 ... 12000 Hz. The relative level of noise and interference -48 dB. SOI - 3%. Knock factor of 0.6%. The input and output of the tape recorder is asymmetrical, the output voltage is ~ 1 V. The frequency of the bias generator is 33 kHz. 7.5 V power supply for the amplifier and 10 V for the engine. Dimensions of the tape recorder - 300x230x80 mm. Weight 5 kg. The reporter-3 tape recorder is assembled in a metal case with a plastic or metal hinged lid. The tape recorder is encased in leather. On the top panel there are sub-brackets, a block of heads, on the frontal part there is an arrow indicator of the level of recording and power control (since 1962 it has been moved). The head unit is placed in a protective cover with a slot for the tape. Under the casing there are recording and reproducing heads, a pressure roller, and guide racks. In front of the case there is a switch to record or play (red and white dots) and rewind the tape (blue dot). On the front wall of the tape recorder there is a control knob for amplifiers and power supply of the tape recorder. On the same wall are jacks for a microphone and an external amplifier.