The role of the magnet inside the horn is to assist vibration, the magnet will produce a magnetic field, the voice coil of the horn is placed in the magnetic field, when the audio current is passed through the voice coil, this current will be subject to the force of the magnetic field, so that the voice coil will vibrate and drive the paper cone stuck together with the voice coil to vibrate and make a sound.
The magnets on the speakers are mainly ordinary ferrite magnets and NdFeB magnets. The magnet on the horn is actually wound with a coil, and the working principle of the horn is to use the sound signal into an electrical signal, which is converted into a sound signal to be propagated, and when our sound enters the horn, it will produce a specific change in the current that will make the coil magnetic, and the magnet will produce a certain law of attraction or repulsion movement, and this vibration will drive the paper cone to vibrate and amplify the sound. Therefore, the role of the magnet is to assist the vibration.
The magnetic field should be as symmetrical as possible; otherwise, it will lead to distortion of the signal. The type and performance of the magnet and even the shape of the speaker can determine the good or bad.
Souwest Magnetech offers a wide range of custom magnets for the Audio Components: neodymium magnets, ferrite magnets, SmCo magnets and AlNiCo magnets.
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