美国CROWN/皇冠功放MA9000i专业功放 纯后级功放 舞台音响功放 会议功放

{"ops":[{"insert":"\n"},{"insert":{"image":"\/ueditor\/php\/upload\/image\/20190820\/1566276070341646.jpg"},"attributes":{"alt":"MA 9000i_Front.jpg"}},{"insert":{"image":"\/ueditor\/php\/upload\/image\/20190820\/1566276059572195.jpg"},"attributes":{"alt":"MA 9000i_back.jpg"}},{"insert":"\n"},{"insert":{"image":"\/ueditor\/php\/upload\/image\/20190621\/1561083307545999.jpg"},"attributes":{"alt":"5cb57e2507bda.jpg"}},{"insert":"4\u6b27\u59c6\uff0c\u53cc\u8def(\u6bcf\u901a\u9053) 3500w\n8\u6b27\u59c6\uff0c\u53cc\u8def(\u6bcf\u901a\u9053) 1500w\n\u6865\u63a54\u6b27\u59c65600w\n\u6865\u63a58\u6b27\u59c67000w\n\u9891\u7387\u54cd\u5e94(1W, 20Hz-20kHz)\u00a0\u00a0 \u00b10.25dB\n\u4fe1\u53f7 \/ \u566a\u97f3(\u989d\u5b9a\u529f\u7387\u4e4b F,20Hz-20kHz)\u00a0\u00a0\u00a0 <-105dB(A)\n\u963b\u5c3c\u56e0\u5b50(20Hz-100Hz, 8\u03a9\u8d1f\u8f7d)\u00a0\u00a0 >5000\n\u901a\u9053\u95f4\u4e32\u97f3(20Hz-1kHz)\u00a0 >80dB\n\u5171\u6a21\u6291\u5236\u6bd4(CMR)(20Hz-1kHz)\u00a0\u00a0 >70dB\n\u76f4\u6d41\u8f93\u51fa\u62b5\u6d88(\u8f93\u5165\u77ed\u8def)\u00a0 <\u00b13mV\n\u8f93\u5165\u963b\u6297\uff1a\u5e73\u8861\uff0f\u4e0d\u5e73\u8861\u00a0\u00a0 10k\u03a9\/5k\u03a9\n\u6700\u5927\u8f93\u5165\u7535\u5e73(\u8f93\u5165\u538b\u524d)\u00a0\u00a0\u00a0 +20dBu\n\u8d1f\u8f7d\u963b\u6297\uff1a\u7acb\u4f53\u58f0\u00a0 1,2,4,8,16\u03a9;\u6865\u63a52,4,8\u03a9 \uff08\u6ce8\uff1a\u5404\u7c7b\u8d1f\u8f7d\u90fd\u5b89\u5168\uff09\n\u4f53\u79ef(\u5bdbx\u9ad8x\u6df1)mm\u00a0 483x89x411\n\u51c8\u91cd(kg)\u00a0\u00a0 12.7"},{"insert":"\n"}]}