Public Address Systems
Deliver the right message to the right zone.
The aim of a public address system is not simply to produce high sound levels, but to ensure that the required message is clearly audible in the relevant areas. Narstek undertakes system design, installation and maintenance according to the building's use, acoustic conditions and evacuation scenario.
Acoustic requirements and zoning
The size of each area, ceiling structure, occupancy levels and ambient noise are assessed. Public address zones and day-to-day requirements are defined as part of the project.
Loudspeakers and central equipment
Loudspeaker layout, amplifier capacity, line configuration and central equipment are planned together. Cabling and power requirements are arranged according to the selected system architecture.
Messages and system integration
Announcement priorities, microphone use and pre-recorded messages are agreed. Any required interaction with the fire alarm system is addressed in line with the approved scenario and device compatibility.
Commissioning and maintenance
Zone calls, audio transmission, line monitoring and supported fault information are checked. The power infrastructure and operating settings are assessed according to the maintenance scope.
Daily paging and emergency announcements have different requirements
A system that is adequate for background music or general announcements may not meet all the requirements of a voice alarm project. Intelligibility, priority management, monitoring and backup power are considered together in line with the project requirements; product documentation and system suitability are assessed before implementation.
About Public Address Systems
Can daily announcements and music playback use the same system?
Where supported by the selected system, daily announcements and emergency announcements can be planned together. The priority of emergency messages and their distribution to zones are configured as part of the scenario.
Can existing loudspeakers be used?
The loudspeaker specifications, line configuration and project requirements are assessed. Whether existing equipment can be used is decided after a technical suitability assessment.
Can a quote be prepared based solely on the number of loudspeakers?
A quote also requires information about zoning, central equipment capacity, cable routes, standby power and the scope of integration. Plans enable more accurate costing.
Request a site survey and quote for your project
Tell us about your building, existing system and requirements; together, we can determine the right solution.