Magnetic circuit part: generates a magnetic field. When a current flows through the voice coil, the magnetic flux is cut in the magnetic gap. The magnetic constant magnetic field has the same constant sound energy level, so the vibration amplitude of the diaphragm must be increased, that is, displacement distance of the diaphragm is increased. Dust and other debris fall into the magnetic gap to avoid noise. The positioning piece ensures that the voice coil vibrates vertically in the magnetic gap of the magnetic steel in the direction of the magnetic core and dampens the free vibration of the diaphragm.
Supporting part: The basin frame mainly connects and fixes the magnetic circuit part and the vibration part.
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