What Are Moving Iron Earphones?

- Aug 14, 2018-

Moving iron earphones: The electromagnet is used to generate an alternating magnetic field. The vibrating part is an iron piece suspended in front of the electromagnet. When the signal passes through the electromagnet, the electromagnet magnetic field changes, so that the iron piece vibrates and sounds. The advantage is long service life and high efficiency. The disadvantage is that the distortion is large and the frequency response is narrow. They are often used in early telephone handsets.

 

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