发明名称 |
Bandpass woofer enclosure with multiple acoustic filters |
摘要 |
A bandpass loudspeaker enclosure having three sub chambers, a first subchamber being a Helmholtz-reflex chamber with a passive acoustic radiator operating in parallel with the transducer, and the remaining two chambers utilizing two passive acoustic radiators to achieve three Helmholtz-reflex vent tunings and a multiple of low pass acoustic filters that provide an acoustic bandpass with reduced diaphragm displacement and substantially reduced distortion and pipe resonances above the pass band. A further embodiment provides a reduced lowest frequency vent size for a given low frequency subchamber size and tuning frequency.
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申请公布号 |
US2002061114(A1) |
申请公布日期 |
2002.05.23 |
申请号 |
US20010954636 |
申请日期 |
2001.09.14 |
申请人 |
AMERICAN TECHNOLOGY CORPORATION |
发明人 |
CROFT JAMES J. |
分类号 |
H04R1/28;(IPC1-7):H04R1/02;H04R1/20 |
主分类号 |
H04R1/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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