专利名称：Loudspeaker system发明人：C. Ronald Coffin申请号：US09550087申请日：20000414公开号：US031309B1公开日：20020813
专利附图：
摘要：A speaker system with a dual cone speaker having interconnected primaryspeaker and secondary speaker cones. An enclosure defines a first sub-chamber forinteracting with the rear of the first speaker cone and a second sub-chamber forinteracting with the rear of the second speaker cone. The sub-chambers may be sealed
sub-chambers, ported sub-chambers or acoustic waveguides.
申请人：COFFIN C. RONALD
代理人：George A. Herbster
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