Three-program receiver 'Sibiryak-303'.

Three-program receivers.Three-program receiver "Sibiryak-303" from 1988 to 1993 produced the Novosibirsk plant of low-voltage equipment. PT is intended for reproduction of programs broadcast on a three-program wire broadcasting system. PT allows you to reproduce any of the 3 programs transmitted over the RF channels (78 and 120 kHz) and the AF channel. When playing the audio channel, the PT can work with or without amplification, while the power plug is not required to be connected to the mains. The receiver has a jack for connecting a tape recorder to record broadcasts. In places where there is no three-program broadcasting, the PT can be used as a regular subscriber loudspeaker. The voltage in the radio network is 30 (15) V. The number of programs being played is 3. The PT is powered from an electrical network of 220 V. The power consumption does not exceed 3 W. Effective working range of sound frequencies on RF channels 160 ... 6300 Hz, low-frequency 160 ... 8000 Hz. Rated output power 500 mW. The dimensions of the device are 182x280x92 mm. Weight 1.5 kg.