Patent ID: 6526151
Filing Date: 2003-02-25
Classification: H04R

Abstract:
A high stability loudspeaker having a yoke structure with a plurality of vents installed therein, the yoke structure being combined with a bottom of a frame of the loudspeaker; a short post being installed in a center of the yoke structure; a magnet being formed on the short post, whereina periphery of the magnet is surrounded by a voice coil having a first end and a second end, said voice coil extending into a gap between portions of said yoke structure; a coil winding surrounds the voice coil; the first end of the voice coil is connected to a diaphragm and to a first surround, said first surround being connected to said frame; and the second end of the voice coil is connected to a second surround, said second surround being connected to a combining portion formed at a periphery of said yoke structure.