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PAGA: Distributed Vs. Central Systems
Two common types of PAGA systems are distributed and centralized amplifier systems. Here is a comparison between these two systems.

A PAGA (Public Address and General Alarm) system is designed to provide effective communication during emergency situations in large facilities or industrial settings, such as oil refineries, petrochemical plants, and offshore platforms. Two common types of PAGA systems are distributed and centralized amplifier systems. 

Distributed Vs. Centralized

Distributed Amplifier Systems:
distributed amplifier system
  1. In a distributed amplifier system, amplifiers are installed throughout the facility in various locations where loudspeakers are also installed.
  2. The amplifiers are typically smaller and less powerful than those in a centralized system.
  3. The amplifiers are connected to a centralized control unit, which is responsible for managing and distributing audio messages to the different amplifiers and loudspeakers throughout the facility.
  4. This system is typically more flexible and scalable, allowing for easier expansion and upgrades.
  5. Announcements can be made from more locations with a handset station combined with an amplifier.
  6. It can be less expensive to install and maintain than a centralized system. However, a distributed system may require more cabling and wiring, which can increase installation and maintenance costs.
PAGA SYSTEMS new (15)
Centralized Amplifier Systems:

  1. In a centralized amplifier system, all amplifiers are located in a central control room or equipment room, which is connected to the loudspeakers throughout the facility.
  2. The amplifiers in this system are typically larger and more powerful, providing greater audio output and coverage.
  3. Announcements can be made from a few locations only with dedicated call stations. Alternatively the system can be interfaced with a PABX system and allowed announcements by a telephone dialling a pre-assigned extension number.
  4. This system is typically more reliable and easier to maintain, as all amplifiers and equipment are located in a single location. Less likely to be subject to abuse, vandalism etc. 
  5. It can be more expensive to install and maintain than a distributed system. However, a centralized system can require more complex cabling and junction boxes to connect the amplifiers to the loudspeakers throughout the facility.
Choosing the Right System

In summary, a distributed amplifier system may be more flexible and cost-effective, while a centralized amplifier system may be more reliable and easier to maintain. The choice between these two systems will depend on the specific needs and requirements of the facility or industrial setting where the PAGA system is being installed.

Contact Us

Vivo Asia Engineering & Trading supplies both centralized systems as well as distributed PAGA Systems. We specialize in designing new systems as well as upgrading or extending old legacy systems. Our engineers have more than 20 years of experience and are trained by a number of highly recognized brands and manufacturers. Contact us today for your upgrade/ design requirements.