What Is a Neodymium Speaker Driver?

Written by matt mckay
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What Is a Neodymium Speaker Driver?
Speaker Cabinet Components (Image by Flickr.com, courtesy of Vincent Liu)

Neodymium speaker drivers are the newest in speaker technology, offering increased power and decreased weight. The terms "speakers" and "drivers" are sometimes used interchangeably, and refer to the components in a speaker cabinet used to reproduce sound.

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Neodymium

Neodymium is a rare earth element used in magnets and other industrial uses. Neodymium magnets are considered among the strongest of magnets, and offer efficient use in speaker construction.

Weight

Neodymium magnets are lighter in weight than traditional Alnico or ceramic magnets. Although they are used for all kinds of speakers, they are especially suited to portable systems because of the decreased weight.

Size

Since neodymium magnets are stronger than other magnets, they require less mass than traditional magnets to exert the same magnetic pull. Smaller magnets mean higher speaker output in a more compact package.

Frequency Response

Neodymium magnets have a balanced frequency response, making them an ideal choice for speaker drivers. Speakers must handle a wide range of frequencies to produce sound properly, and the magnets chosen must be able to handle specific frequencies.

Affordability

Neodymium is considered an affordable metal for magnet making, making its small but powerful and efficient attributes comparable to other magnet types.

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