Device for protecting speakers of warning systems MP-5

The MP-5 protection device is designed to protect the loudspeaker of the warning system or a single-program receiver from leakage of acoustic signals from the room through them and provides protection against active methods of influence.

The MP-5 device contains: a loudspeaker connection unit to the line, which is triggered when receiving an information message; an analyzer of the signal coming to the input; a control unit.

The product is certified by the FSTEC of Russia and can be installed in dedicated premises up to and including category 1.

Specifications:
the device introduces attenuation in the frequency band of 0.02 - 10 kHz for acoustic signals of the room of at least 90 dB
the time of holding the connected state of the loudspeaker for the duration of pauses from 1 to 9 s
the response time of the product (connection of the loudspeaker to the line) upon receipt of an information signal is no more than 5.0 ms
acoustic sensitivity is no more than 0.1 μV/Pa
the device is powered from an external source with a voltage of 12 V and/or a battery of the “Krona” type.
the time of continuous operation of the device from one battery upon reception of an information signal is at least 100 hours
overall dimensions are no more than 120 x 55 x 23 mm
weight is no more than 0.2 kg
mean time between failures is at least 100,000 hours