| 摘要 |
The moving coil direct radiate speaker is constructed that the sound is directly radiated from the moving coil which compensates for the defect of ribbon speaker and Blatthaller speaker. It improves the horizontal and vertical oriented feature that regenerates the sound pressure like the output sound pressure of dynamic woofer in middle and high sound band of more than 1KHz. The speaker enlarges the size of diaphragm to a ring shape without using a horn.
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