| 摘要 |
PURPOSE:To secure the flat sound pressure property and good directional property by forming the area near the center of the diaphragm of the speaker which uses the ring-type flat plate for the diaphragm. CONSTITUTION:The node of the primary division diaphragm of ring-type flat plate diaphragm 1 is driven by voice coil 2, and coil 2 is supported by frame 6 via spider 4. And diaphragm 1 is stuck to frame 6 via edge 3. Then dome-type diaphragm 7 is stuck to the area near the side end face of the inner diameter of diaphragm. |
