| 摘要 |
A reversed phase audio frequency dividing circuit including a master circuit connected between the input terminal and sound coil of a speaker, and a sub-circuit connected in parallel to the master circuit, the master circuit having filter capacitor means for removing audio frequency of predetermined range, the sub-circuit having capacitor means for removing audio frequency of predetermined range, and a reversed phase coil connected with the sound coil of the speaker to a grounding terminal.
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