Diaphragm for a loudspeaker

Details Diaphragm for a loudspeaker Diaphragm for a loudspeaker

H - Electricity

04

R

181/7

H04R 1/02 (2006.01) H04R 1/28 (2006.01) H04R 7/00 (2006.01)

Patent

CA 1131132

ABSTRACT OF THE DISCLOSURE A diaphragm for a loudspeaker includes a core member having a flat front surface from which a frustum-shaped side sur- face extends to a back portion, a cover member secured to the back portion and adapted to be connected to a voice coil bobbin of the loudspeaker, an outer radiation layer mounted on the front surface and having a relatively high resonance sharpness, and an intermediate layer laminated between the front surface and the outer radiation layer and having a resonance sharpness lower than that of the outer radiation layer. -1-

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