Voice Announcement System RI-7 for Efficient Public Address Communication

Speech autoinformer RI-7 is designed to work together with loud-speaking warning equipment AGO RIKOM-3, AGO RIKOM-66 and their modifications and train warning device UPO-3. Speech autoinformer RI-7 is designed for operation in crossing rooms. In terms of resistance to climatic factors during operation RI-7 corresponds to classification group K1 according to OST 32.146-2000, but for operation at ambient air temperature from +10C to +400C, without frost and dew.

In terms of resistance to mechanical effects occurring during operation, RI-7 corresponds to classification group MS1 according to OST 32.146-2000. Main technical data: Mains supply voltage, V 220 +/- 10 %. Power consumption, W, not more than 20 W.

Reproducible frequency bandwidth, kHz, not more than 3.4. Number of recorded and playable phrases - 16. Recording and playback time for each phrase, s, up to 25.

The number of re-recordings of information, times, not less than 100 000. Independent...