发布日期 ： 2021-01-28 01:51:24 UTC
分类 ： Classic physics
Fourth-order (24 dB/octave) two-way crossover
<img src="http://drr.ikcest.org/static/upload/24/2462fdea-ebcd-11e9-9ea9-00163e0618d6_m.jpg" />
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