Neodymium magnet,AlNiCo maget, Smco magnet,Ferrite magnets, rubber magnets supplier from china

Types of speaker magnets

Every sound speaker, from the smallest to the most powerful, has a permanent magnet. The magnets Located behind the center of the speaker cone, interacts with a changing magnetic field from an electrical coil decide the tone qualities.
Neodymium magnets made high-fidelity ear buds possible, as they can pack a strong magnetic field into a tiny package. However, these magnets shatter easily.
Ferrite magnets' greater weight makes speaker systems heavier--a drawback for portable speakers and guitar amplifiers. Speakers with ferrite magnets tend to sound better when played louder.

Alnico is tougher and less prone to cracking than other magnet materials, though they can lose their magnetism more readily.
Because samarium cobalt costs more, speaker manufacturers use this material less often.

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