Field broadcasting unit "PTU-10".
Amplifying and broadcasting equipmentThe field broadcasting unit "PTU-10" has been produced since 1986 by the repair and production workshop of the Order of Lenin Political Directorate of the Leningrad Military District. The installation is intended for radio service of the SA personnel in the field. The installation provides reception of radio stations in the range of DV and MW, allows you to work from a microphone, an electric player, a tape recorder, an external receiver and a broadcast line. A car radio "A-370" without its ULF was used for reception. The sensitivity of a receiver with an equivalent antenna for LW 250 µV, SV 75 µV. Adjacent channel selectivity 30 dB. At the output of the device there is a loudspeaker unit that can be switched to operate at a maximum power of 8 W and a minimum of 0.5 W. In addition, it is possible to operate on a radio broadcasting network with a voltage of 30 V. The maximum power (8 W) can be obtained when the unit is powered from an alternating current 127/220 V or from a 12.6 V battery. The unit can also operate from eight galvanic cells. type 373, stored in a special compartment. In this case, the output power of the installation does not exceed 0.5 W. The unit is mounted in a splash-proof metal casing, which is convenient for carrying and transportation. The playing device works only from the mains. Unit dimensions without an electric player 380х360х170 mm, weight 12 kg.
