Voice coil loudspeaker voice coil and be equipped with speaker of this voice coil loudspeaker voice coil

The utility model discloses a voice coil loudspeaker voice coil and be equipped with speaker of this voice coil loudspeaker voice coil relates to electro -acoustic products technical field, and the voice coil loudspeaker voice coil is the annular structure, and be circular shape voice coil loudspeaker voice coil wire -wound system by the cross section and form, the outside of voice coil loudspeaker voice coil is equipped with depressed part and bellying on the surface, the depressed part with the bellying is followed the circumference interval distribution of voice coil loudspeaker voice coil, the depressed part with the bellying all is in run through on the direction of height of voice coil loudspeaker voice coil the both ends of voice coil loudspeaker voice coil, the depressed part is in after accomplishing, the voice coil loudspeaker voice coil coiling forms by the extrusion of extrusion frock. The utility model discloses voice coil loudspeaker voice coil and be equipped with speaker of this voice coil loudspeaker voice coil has solved voice coil loudspeaker voice coil plot ratio low grade technical problem among the prior art, the utility model discloses the voice coil loudspeaker voice coil plot ratio is high among the voice coil loudspeaker voice coil and be equipped with speaker of this voice coil loudspeaker voice coil, and heat dispersion is good, low in production cost, the loudspeaker sensitivity is high, and acoustic performance is good.