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Types of Fire Detectors
Generally fires are preceded by generation of heat (rise of temperature) and generation of smoke. Hence heat, smoke and flame […]
Introduction to the Amplifier
Amplifier is the generic term used to describe a circuit which produces and increased version of its input signal. However, not […]
Public Address System
When a large gathering of people is to be addressed, the sound must be amplified so that people away from […]
Basics of Fire Detection and Alarm System
Introduction A key aspect of fire protection is to identify a developing fire emergency in a timely manner, and to […]
How Amplifiers Work
When people refer to “amplifiers,” they’re usually talking about stereo components or musical equipment. But this is only a small […]
How Do PA Systems Work?
The goal of a PA system is to provide “public address”, or a way to transmit audio communication to a […]
How Speakers Work
In any sound system, ultimate quality depends on the speakers. The best recording, encoded on the most advanced storage device […]
What is Fire Alarm System?
A fire alarm system has a number of devices working together to detect and warn people through visual and audio appliances when […]
Enhancing Event and Concert Safety with Mass Notifications
Concert venues and other events often draw large crowds. This can cause numerous issues when event organizers and building administrators […]
Michigan District Plans to Use $400k Grant for Mass Communication Tools
Kalamazoo Public Schools plans to use a $442,773 grant from the Michigan State Police Office of School Safety to purchase […]