| 摘要 |
<p>An active and passive loudspeaker voice coil excursion and amplitude gain control device (12) is disclosed. The excursion and amplitude gain control device is utilized in connection with a voice coil actuator (14) having a case (22), a coil (1) and a coil carrier (18) having an extreme downward position contacting the case. The excursion and amplitude gain control device includes a restraining member (34) mounted to the coil carrier, wherein the restraining member is positioned on the carrier such that during downward movement of the carrier, the restraining member contacts the case before the coil carrier reaches the extreme downward position.</p> |
