FIELD: loudspeakers including wall-mounted ones.
SUBSTANCE: proposed loudspeaker of rectangular or elliptical shape has one or more anisotropic-type diaphragms made of double-layer crimped polypropylene copolymer or corrugated pressboard whose longitudinal bending strength is higher than transversal one. Diaphragm vibration is attained by means of exciter that has magnet and voice coil. Proposed design alternate of loudspeaker has its magnet mounted on rear diaphragm and voice coil, on front one. Both diaphragms are attached through their edges to frame; exciter is mounted in space confined by frame and diaphragms.
EFFECT: enhanced reproduction quality in stereo mode.
20 cl, 9 dwg, 4 ex
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RU2523094C2 |
