Patent attributes
An acoustic device with an open audio device structure that is configured to be carried on the head or upper torso of a user, and an electro-acoustic transducer carried by the open audio device structure and comprising a flat rectangular diaphragm comprising a front face and a rear face, the diaphragm configured to radiate front acoustic radiation from its front face and into a front acoustic volume that has a first sound-emitting outlet proximate a first corner of the transducer and further configured to radiate rear acoustic radiation from its rear face and into a rear acoustic volume that has a second sound-emitting outlet proximate a second corner of the transducer that is diagonally opposite the first corner.