MPA-9000

MPA-9000 command broadcast device

The MPA-9000 is a command-based broadcast device designed for use on marine vessels, floating drilling rigs, fishing vessels and flight navigation complexes. It is used to transmit voice messages, alarms and sound recordings. The device complies with the requirements of IMO Resolution A.694(17) and is certified by the Russian Maritime Register of Shipping.

The MPA-9000 kit includes the MC-901D main control unit, AG-901D alarm generator unit, AC-901 alarm control unit, PA-901 power amplification unit, MCP-9051 remote control, BHS-10 loudspeakers, M7/MC-2 microphone units and PS power supply-901.

The MPA-9000 device has a modular design, which allows it to be adapted to the specific needs of the vessel. It meets the requirements for ships sailing in dangerous areas and is equipped with an explosion-proof speaker and an intrinsically safe microphone. The main control unit is designed to be mounted in a 19-inch rack and supports up to 8 coverage areas and up to 11 emergency microphones. It also has digital programming for priority zones and an interface for manual or automatic signaling. The system provides up to 10 different types of alarm, as well as an audio output for the peripheral device. The MPA-9000 operates at 110/220 VAC with a 24 VDC circuit breaker.

The technical specifications of the device include:

• Output power of 400 watts
• Frequency characteristics from 300 to 10,000 Hz (6 dB)
• Distortion factor of 5%
• Signal-to-noise ratio of 50 dB 
• Operating temperature range from -15 C to +55 C.
• Relative humidity can reach 90%
• Output resistance is 600 ohms.