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Speaker Magnets
Magnets are everywhere. If you don't believe, just take a look at the speakers around you. Every speaker has a permanent magnet behind the center of the cone to make voice out. Speaker manufacturers choose different types of permanent magnets to suit different sizes speaker and achieve the best sound quality.

1. Sintered Neodymium Magnet suits for mid-range loudspeaker.
High coercivity, remanence and magnetic energy product, it reduces speaker volume. Not high working temperature, rusty easy, high cost

2. Ferrite suits for low frequency loudspeaker
Demagnetization easily,low remanence, heavy but cheap price, regular shape: big ring.

3. Samarium Cobalt is often used on high-end speaker because of expensive.
Magnetic force is equal to sintered ndfeb N35 or lower grade, but with better heat resistance to 300℃ and better resistance to corrosion.

4. Alnico suits for high frequency speaker
Demagnetization easily, high magnetic energy product, but low coercive force, high cost. Regular shape: cylinder.

China Magnets Source Material Limited is able to manufacture different kinds of high performance magnets for speaker magnets. You are welcome to contact us for more information. Our engineers also are ready to provide technical assistance.

Contact information
China Magnets Source Material Limited
Tower B, Qiongzhu Building,
Huawang Rd,Longhua District,
Tel: +86 755 28174720
Fax: +86 755 28174720