Voice coil insertion jig, speaker producing method using the jig, and speaker produced by using the jig

摘要

A voice coil insertion jig is composed of hollow cylindrical insertion part 20 b formed in the lower part of a base for inserting a magnetic circuit, a plurality of moving pieces formed thereon, and a central boss provided above the base. The moving pieces elastically contact with and hold the inserted voice coil. The central boss function as a knob.