Patent ID: 8488816

Claim:
An electroacoustic transducer comprising: a multifaced diaphragm assembly which includes a diaphragm formed by combining a plurality of polygonal diaphragm segments and has a nearly spherical shell shape, and a plurality of speaker drive units, each of which includes a speaker housing, a bobbin that is supported vibratably by the speaker housing and adhered at a first end portion thereof on an inner center portion of each of the diaphragm segments, a voice coil that is attached on a second end portion of the bobbin, a yoke, and a magnet that generates a drive force in the voice coil along with the yoke, the plurality of speaker drive units being arranged inside the multifaced diaphragm assembly so as to oppose respectively the diaphragm segments, wherein the plurality of the speaker housings are combined to form a multifaced speaker housing assembly, wherein the multifaced speaker housing assembly is housed inside the multifaced diaphragm assembly, and wherein each speaker drive unit is connected via only the bobbin thereof to each diaphragm segment opposing the each speaker drive unit.