Ceramic is the cheapest and most common material.
Ceramic magnet speaker.
Alnico speakers compress at high volumes.
They are electrically nonconductive meaning that they are insulators and ferrimagnetic meaning they can easily be magnetized or attracted to a magnet.
As the voice coil s effect lowers the available magnetic field of the alnico magnet the speaker becomes less efficient and the voice coil moves less.
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Differences in tonality that are often attributed to the magnet material probably have more to do with the positioning of the.
Alnico speaker breakup quicker that ceramic i.
If you are comparing speakers that have the same magnetic flux but generated from different magnet compositions you probably won t notice a difference in tonality.
A ferrite is a ceramic material made by mixing and firing large proportions of iron iii oxide fe 2 o 3 rust blended with small proportions of one or more additional metallic elements such as barium manganese nickel and zinc.
Ceramic speakers are heavier because their magnet must be heavier to achieve the same power all other thing equal.
Brief introduction of speaker magnets.
The first crop of speakers in the early 1950s used alnico magnets which is why some people say they sound more vintage than speakers built with ceramic magnets.
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Ceramic magnets are made of strontium ferrite which a much cheaper and more abundant material.
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