The Public Address PA system for your public address needs
For event organizers or managers of public places, it is important to broadcast sound in an audible and pleasant way. The quality and volume of the sound must be adapted to the configuration of the space. Indeed, the sound system varies from one space to another, depending on whether it is outdoors or indoors. This will differentiate the hardware required. The best solution is to opt for a Public Address sound system. Focus on this Public Address sound system.
Contents
What is Public Address sono?
Definition
the Public Address PA is a sound system intended for a place that hosts a General public : restaurant, places of worship, conference room, shopping centers, public transport, …. Fixed or temporary, indoors or outdoors, the Public Address concerns a large number of extremely varied situations and a different audience.
Principle of operation
The operation of a Public Address sound system is based on the 100 V line principle. This is the system that avoids any voltage loss caused by the long distance between the loudspeakers and the amplifier. The purpose of using a PA Public Address is:
- put on a good sound system during a meeting;
- to broadcast promotional announcements;
- to make emergency announcements.
Often this system is connected to a fire alarm to ensure the dissemination of priority safety announcements. This allows rapid evacuation thanks to a clear and precise sound, produced by the sound equipment used.
The main types of configurations for a PA Public Address
A public address sound system is specifically designed to be adapted to all types of configurations. It’s a system flexible and versatile which offers solutions that comply with European standards. It responds to market requirements by broadcasting sharpest sound qualities. It can add sound to spaces with an area ranging from ten to several thousand square meters and different configurations such as:
- public transport: train station, airport, bus, metro, etc.;
- commercial spaces: supermarkets, shops, restaurants and bars, etc.;
- technical services: town halls, reception desks, etc.
- occasional events: meetings, fairs, etc.;
- the conference rooms which are equipped with individual microphones;
- places of worship: synagogue, church, mosques, etc.
The composition of a Public Address sound system
A Public Address PA aims to emit an amplified audio signal to make it louder and easy to distribute for easy listening. To fulfill this function, it must be composed of:
- of different audio sources with two types of microphones : dynamic and electrostatic, and from two sources electronic : “line” level sources and “phono” vinyl turntables;
- of different source mixers : mixing desks, various simple products, various mastering products with or without digital processing, etc.;
- of two types ofamplifiers : high impedance or 100 V and low impedance (4/8 Ohms);
- them 100 V speakers consisting of an enclosure equipped with one or more loudspeakers to facilitate the creation of a sound wave. For these loudspeakers, it must be ensured that they provide the best acoustic and effective coverage of the place by guaranteeing good intelligibility at any point of diffusion in the space to be sounded.