Patent ID: 8331607

Claim:
A speaker comprising: a diaphragm having an elongated shape defining a major axis direction and a minor axis direction; a spider; a frame disposed outward radially and rearward of the diaphragm; a surround whose inner circumference is connected to the diaphragm and whose outer circumference is connected to the frame; a magnetic circuit disposed rearward of the diaphragm and connected to the frame; a voice coil bobbin; a voice coil wound around an outer circumferential surface of the voice coil bobbin, and suspended in a magnetic air gap of the magnetic circuit; and a coupling member connected to a rear side of the diaphragm and also to the voice coil bobbin, wherein an outer dimension of the voice coil bobbin measured along the minor axis direction is larger than an outer dimension of the diaphragm measured along the minor axis direction, a front end of the coupling member is connected to the rear side of the diaphragm, and a rear end of the coupling member is connected to the bobbin.