This site provides basic knowledge for designing PA (Public Address) systems. Understanding the meaning of a PA system is the first step in effective system design.
A PA system is used to deliver announcements, emergency messages, and background music throughout buildings and public facilities.
Recording studios, concert PA (SR) systems, and television and radio broadcast systems are not covered.
A PA system is used to deliver announcements, emergency messages, and background music throughout buildings and public facilities.
Recording studios, concert PA (SR) systems, and television and radio broadcast systems are not covered.
Product Basics
This section contains information about individual devices and basic system configurations.
On the left there are articles about input devices such as microphones, and on the right there are articles about output devices such as amplifiers and speakers.
On the left there are articles about input devices such as microphones, and on the right there are articles about output devices such as amplifiers and speakers.
Microphone
Wireless
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Mixer/Matrix
What's Mixer/Matrix?
Specific examples
DSP
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Output Structure
HiZ & LoZ; number of SP & AMP
AMP & SP unit configuration
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Audio Signal
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Control
Control
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Power |
Overview of a Basic PA System
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Design Procedure
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Field & Hearing
Ambient Noise
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STI
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Sound attenuation with distance
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Sound Problems
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System Design
There are contents related to system design.
This section explains how to design a system using the basic knowledge of the products described above.
"PA system" mainly covers broadcasting equipment for the entire building, and "Sound System" covers local systems for speech.
This section explains how to design a system using the basic knowledge of the products described above.
"PA system" mainly covers broadcasting equipment for the entire building, and "Sound System" covers local systems for speech.
PA system for Building Broadcasting
This section covers system design for emergency voice evacuation, commercial announcements, background music, etc.
Audio Routing Structure
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Emergency Broadcast Orverview
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Input
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Output Structure
SP Placement
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Sound System
This section introduces the design of local sound systems, such as auditoriums, where microphones and speakers are co-located.
Input and Mix
Mono & Stereo Mixing
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Output Structure
Output System Design
SP and Location
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Conference System
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Intercom System
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Problems
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We provide Revit family data for BIM.
Please feel free to use it for your project design or architectural education. |
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Product brochures and instruction manuals are available here. |
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Please contact the TOA responsible for your region. |
