| 摘要 |
A loudspeaker apparatus (1) in which a diaphragm is reinforced easily and favorably is provided. The loudspeaker apparatus (1) includes a loudspeaker diaphragm (20) formed by joining a domed diaphragm (21) and an edge-like diaphragm (22) and vibrated using a voice coil, and a reinforcement ring (30) reinforcing a junctional flat portion or the vicinity of the junctional flat portion of the diaphragm (20), in which the reinforcement ring (30) is formed of a permeable material, and the permeable reinforcement ring (30) is stuck to the junctional flat portion or the vicinity of the junctional flat portion of the diaphragm (20).
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