| 摘要 |
PURPOSE: A speaker is provided to obtain the high position maintaining function by connecting the overall periphery of a voice coil bobbin to a magnet. CONSTITUTION: The speaker comprises a yoke(2), a magnet(3), and a magnetic circuit having a pole piece(4). The speaker comprises a voice coil(11) connected to a voice coil bobbin(12) and a vibrometer(13) having a vibration plate(9). The speaker comprises a frame(8) holding the magnetic circuit and the vibrometer.
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