PROCESS FOR MANUFACTURING SPEAKER

摘要

In a speaker, three magnets are disposed via magnetic gaps for placing of voice coil. The magnetic poles of ambilateral magnets are magnetized so that homopoles face each other. The central magnet has its both poles disposed in the direction orthogonal to the line binding the poles of the ambilateral magnets. The ambilateral magnets are fixed to a nonmagnetic plate. In the manufacturing of this speaker, the central magnet is fixed in the center of a plate of magnetic substance so that its one pole is brought into contact with the plate of magnetic substance. Thereafter, the plate of magnetic substance and a plate of nonmagnetic substance having the ambilateral magnets fixed thereto are approached each other in opposite relationship with a diaphragm having voice coils fixed thereto interposed therebetween. Thus, there can be accomplished not only formation of magnetic gaps and placing of voice coils in the magnetic gaps.