Reporter tape recorder '' Reporter-3 '' (M-75).
Reel-to-reel tape recorders, portable.Reel-to-reel tape recorders, portableThe reporter tape recorder "Reporter-3" (M-75) has been produced by the Gorky plant named after G. I. Petrovsky since 1960. Portable professional tape recorder "Reporter-3" is assembled on semiconductors and is intended for single-track recording for reporting purposes. The recording is made by a microphone on a previously demagnetized magnetic tape of type 6. Listening to the recording is possible only through an external amplifier. There is a rewind of the tape. The tape recorder is powered by special batteries. Recording speed 19.05 cm / sec. Continuous recording time with a coil capacity of 150 meters is about 15 minutes. The working range of recording frequencies is 40 ... 12000 Hz. The relative level of noise and interference is -48 dB. SOI - 3%. Knock coefficient 0.6%. The input and output of the tape recorder is unbalanced, the output voltage is ~ 1 V. The frequency of the bias generator is 33 kHz. Power supply 7.5 V for the amplifier and 10 V for the motor. The dimensions of the tape recorder are 300x230x80 mm. Weight 5 kg. The "Reporter-3" tape recorder is assembled in a metal case with a plastic or metal hinged cover. The tape recorder is housed in a leather casing. On the top panel, there are reels, a block of heads, on the front part, a dial indicator of the recording level and power control (since 1962 it has been relocated). The head unit is housed in a protective cover with a tape slot. Under the casing there are recording and playback heads, a pressure roller, and rack guides. On the front of the casing, there is a knob for switching between recording or playback (red and white dots) and tape rewinding (blue dot). On the front wall of the tape recorder there is a knob for controlling the amplifiers and the power supply of the tape recorder. On the same wall there are sockets for a microphone and an external amplifier.
