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PA Systems Guide: how much Power/Watt is enough

There are different PA options for the same situation. If you are an experienced live sound engineer you probably know what type of PA system is required for a certain situation. But if you are not is a good idea to have some general idea about what type of PA system power you need to set up a system. A 3000 watt tri-amplified active setup is probably a little much for a small bar. And a 200 watt passive PA system will probably not be enough for a large festival. Let’s take a look at how much is needed in different situations.

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Active Passive PA system example setup and connections
This next example shows how a bi-amplfied active crossover system is combined with a passive crossover system.

Why a crossover system is used in PA systems
A single speaker is not the best way to create both low and high frequencies.
Take a look at the next example.

Bi-Amplified PA Systems: Setup and example
A bi amplified system is a system using two amps. A crossover is used to split the sound and high frequencies are amplified by one power amp and the lower frequencies by another.
The next image sho

Working with Tri-Amplified PA Systems
Tri-amplified systems are an excellent way to use in a PA system for powerful speaker setups. A tri-amplified system can be used in any situation but for economic reasons it is normally used when a si

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In most situations a live sound engineer has no need for expensive effect and audio processors. But there are certain situations that make these processors a great addition if not a necessity. Let’s s

PA Systems Guide: how much Power/Watt is enough
There are different PA options for the same situation. If you are an experienced live sound engineer you probably know what type of PA system is required for a certain situation. But if you are not is

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