Patent ID: 7324659
Filing Date: 2008-01-29
Classification: H04R

Abstract:
1. A speaker comprising: a magnetic circuit provided with a magnetic gap; a bobbin having a voice coil, the voice coil disposed in the magnetic gap; a diaphragm having an inner perimeter and an outer perimeter, the inner perimeter being connected to an outer periphery of the bobbin; a frame serving an exterior enclosure, and retaining therein the magnetic circuit; a first surround connecting the outer perimeter of the diaphragm to the frame; a second surround connected to the frame; a suspension holder having an inner rim and an outer rim, the inner rim supporting the diaphragm, and the outer rim connected to the frame through the second surround; and a bonding agent bonding the inner rim of the suspension holder to the diaphragm, wherein the frame is provided with an opening in a position corresponding to the bonding agent.