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All PA systems have the potential for audio feedback, which occurs when a microphone picks up sound from the speakers, which is re-amplified and sent through the speakers again. It often sounds like a loud high-pitched squeal or screech, and can occur when the volume of the system is turned up too high.
This is a list of notable manufacturers of loudspeakers. In regard to notability , this is not intended to be an all-inclusive list; it is a list of manufacturers especially noted for their loudspeakers and which have articles on Wikipedia.
1 Main Circuit (1MC) is the term for the shipboard public address circuits on United States Navy and United States Coast Guard vessels.This provides a means of transmitting general information and orders to all internal ship spaces and topside areas, and is loud enough that all embarked personnel are (normally) able to hear it.
If you've been shopping in a big box retail store you've probably heard an announcement on the loudspeaker such as, "code yellow toys, code yellow toys." This "code" is one of many innocuous ...
Wisdom, Vision and Diplomacy: Speakers of the Pennsylvania House (A Biographical History of the Speakers of the Provincial Assembly and the House of Representatives, 1682-1998). Harrisburg, PA: Pennsylvania House of Representatives. ISBN 978-0-9667794-0-0. OCLC 40553654. "Speakers of the Provincial Assembly (1682-1790) (page 14/28)" (PDF).
Tannoy is notable for its 'Dual Concentric' speaker design, which places the tweeter behind the centre of the medium or bass driver. "Dual Concentric" is a trademark although Tannoy is not the only speaker manufacturer to design coaxial speakers. Home and Studio speakers: Cheviot Series; Reveal Series (Made in China) Plus Series; 70Anniversary ...
Audio channels: A 2.1-channel soundbar has two main speakers and one subwoofer. A 7.1.2-channel system has seven main speakers, one subwoofer and two rear speakers.
A loudspeaker (commonly referred to as a speaker or, more fully, a speaker system) is a combination of one or more speaker drivers, an enclosure, and electrical connections (possibly including a crossover network). The speaker driver is an electroacoustic transducer [1]: 597 that converts an electrical audio signal into a corresponding sound. [2]