| 摘要 |
The present invention discloses a voice coil wound by a wire having a predetermined length. The voice coil is composed of a plurality of layers of coils, the innermost winding layer of which has an end as an input termination of the voice coil, the outermost winding layer of which has an end as an output termination of the voice coil. The voice coil defines a top and a bottom, and the input termination is introduced in from the top of the voice coil. The outermost winding layer is wound from the bottom to the top of the voice coil, so that the output termination is introduced out from the top of the voice coil. The outer most winding layer comprises a first winding part with a first pitch and a second winding part with a second pitch in a height direction of the voice coil, and the first pitch is less than the second pitch. In addition, the present invention also discloses a speaker comprising the voice coil. |
