| 摘要 |
The mass production method of magnetic yoke for use in a speaker assembly includes a forming process of annular metal band (1) and a cutting process of the annular metal band. The annular metal band has several cut-grooves (4, 4') and connection portions (6). Since the magnetic yoke (2) having uniform characteristics is easily separated from the annular metal band, the work efficiency and the quality of the speaker assembly are increased.
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