| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultrahigh frequency reproduction speaker having extremely high frequency reproduction limit frequency fh, and having excellent frequency characteristics without any peak dip. SOLUTION: The speaker is provided with a diaphragm, a voice coil for driving the diaphragm, and a magnetic circuit forming a magnetic field crossing the voice coil. The junction of the diaphragm and the voice coil has a shape which does not substantially include any flat part. COPYRIGHT: (C)2003,JPO
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