Patent ID: 8467564

Claim:
A loudspeaker comprising: a magnetic system defining a magnetic gap; a vibrating system comprising: a diaphragm, a voice coil bobbin disposed in the magnetic gap, the diaphragm being fixed to the voice coil bobbin, a voice coil wound around the voice coil bobbin, and a coil lead wire comprising at least one carbon nanotube wire structure and having a first end and a second end, the first end being electrically connected to the voice coil, the at least one carbon nanotube wire structure comprising a plurality of carbon nanotubes; and a supporting system comprising a frame fixed to the magnetic system and receiving the vibrating system, the frame having a terminal electrically connected to the second end of the coil lead wire, the diaphragm being received in the frame, wherein the lead wire is adhered or fixed to a surface of the diaphragm, and the second end of the lead wire is connected to the terminal via a short metal wire.