| 摘要 |
PROBLEM TO BE SOLVED: To provide a speaker in which there is no gap in a vibration part, that includes a plurality of voice coils, while capable of playback over wide registers using these voice coils. SOLUTION: The speaker 1 includes a magnetic circuit part 3 and the vibration part 5. The vibration part 5 includes a first voice coil 51, a first voice coil bobbin 53, a second voice coil 52, a second voice coil bobbin 54 and one diaphragm 55. The first voice coil 51 is wound around the first voice coil bobbin 53. The second voice coil 52 is disposed inside the first voice coil 51. The second voice coil 52 is wound around the second voice coil bobbin 54. The first voice coil bobbin 53 and the second voice coil bobbin 54 are mounted on the diaphragm 55. COPYRIGHT: (C)2009,JPO&INPIT
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