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en.wikipedia.org/wiki/Loudspeaker

A loudspeaker is an electroacoustic transducer; which converts an electrical audio signal into a corresponding sound. The most widely used type of speaker in the 2010s is the dynamic speaker, .... the large, heavy iron magnets of the day were impractical and field-coil speakers remained predominant until the widespread ...

www.physics.org/article-questions.asp?id=54

Inside a speaker, an electromagnet is placed in front of a permanent magnet. The permanent magnet is fixed firmly into position whereas the electromagnet is ...

electronics.howstuffworks.com/speaker6.htm

Making Sound: Magnets - The best amplifier, receiver and CD player won't do you much good, if you don't have good speakers. Speakers are the final step in ...

www.quora.com/Why-are-magnets-used-in-speakers-to-form-a-sound

Magnets can be used to attract or repel each other. Electromagnets can be switched between the two extremes, or made to slide gradually between the two.

www.explainthatstuff.com/loudspeakers.html

Nov 17, 2016 ... An easy-to-understand explanation of how loudspeakers work using ... This turns the coil into a temporary magnet or electromagnet. As the ...

blog.fluance.com/neodymium-speaker-magnets-explained

Neodymium Speaker Magnets Explained. In this article, you will meet a component that perhaps doesn't get the exposure that it should – the magnet.

www.instructables.com/id/Salvaging-Magnets-from-Speakers

Introduction: Salvaging Magnets From Speakers. Picture of Salvaging Magnets From Speakers. 'Tis the season to salvage junk! Where I live, poeple put out big ...

supermagnetman.com/pages/speakers

Neodymium Speaker Magnets. Today, high quality and great sounding speakers are mainly using neodymium magnets.

www.jblpro.com/www/jbl-story/innovation/technology/material-innovations/neodymium-magnet

First neodymium-magnet Pro Audio compression driver and woofer ... While other speaker manufacturers may use neodymium, JBL engineers created a design ...