| 摘要 |
PROBLEM TO BE SOLVED: To provide a loudspeaker which is thin and has high input resistance as a loudspeaker used for video and audio equipment. SOLUTION: This loudspeaker can suppress rolling of a diaphragm 5, by supporting the diaphragm 5, using a support member 1 which has its inner periphery coupled with a magnetic circuit 3 or its periphery and its outer periphery coupled with a fame 2, while the outer periphery of the diaphragm 5 is coupled with its intermediate part, and a loudspeaker which is thin and has high input resistance is provided.
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