Patent ID: 7894623

Claim:
A loudspeaker having a magnet structure, comprising: a magnet having a first surface and a second surface; a core cap mounted on the first surface of the magnet; a shell pot configured to receive the magnet and the core cap in a hollow interior, where the second surface of the magnet contacts a base surface of the shell pot; where the magnet, the core cap and the shell pot are configured to interlock to fixedly position the magnet with respect to the core cap and the shell pot, the core cap comprising a first protrusion, and the shell pot comprising a second protrusion, the magnet formed with an aperture to accommodate and provide engagement of the first protrusion and the second protrusion with the magnet; and a vent passageway formed to penetrate the core cap and the shell pot and extend through the aperture of the magnet.