Voice coil speaker

摘要

There is provided a voice coil speaker containing a bobbin having multilayer voice coils formed thereon in which the bobbin and a circuit board are properly arranged. In a voice coil speaker equipped with a bobbin having multilayer voice coils formed thereon and a diaphragm connected to the bobbin, the bobbin and the diaphragm being provided in a speaker body, an audio signal processing circuit board for processing an audio signal is disposed ahead of the diaphragm, and plural output terminals for outputting to the multilayer voice coils are arranged in the peripheral direction of the audio signal processing circuit board.

主权项

1. A digital voice coil speaker comprising:
a bobbin having multilayer voice coils formed thereon; a diaphragm connected to the bobbin and increasing in diameter toward a front side, the bobbin and the diaphragm being provided in a speaker body; a band-shaped frame provided at the front side of the diaphragm; a circuit board for processing an audio signal fixed to the frame; a damper provided between the bobbin and the band shaped frame that supports the circuit board; a plurality of output terminals for outputting to the multilayer voice coils that are arranged and separated from one another at an equal interval in the circuit board on substantially a same circle having a center axis that is coincident with a center axis of the bobbin, and are arranged line-symmetrically with respect to the band-shaped frame; and each of a plurality of tinsel wires connected to each of the plurality of output terminals, each of the plurality of tinsel wires extending from the plurality of output terminals to the multilayer voice coils radially around the center axis of the bobbin.