刚才试了下测量套件

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在测试频响的时候，对着话mic说话，喇叭里传出的声音是伴随着吱吱声，并不能听到干净的人声，正常吗？

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<img src="attachments/dvbbs/2005-3/2005318234039965.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005318234039965.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

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测出YD142－1506X－S的阻抗（未上箱），导出后用LspCAD调入，模拟出阻抗补偿R＝8欧，C＝15uF，在喇叭两端并入该补偿电路后再实测，200Hz以上的阻抗基本维持在7－8欧。

总结：我的套件测出的阻抗曲线是正确的，毛刺现象使曲线不美观，但对实测结果无影响。

梦版，以上结论是否可信？

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15欧

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<img src="attachments/dvbbs/2005-3/2005318181944705.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005318181944705.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

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<img src="attachments/dvbbs/2005-3/2005318181759149.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005318181759149.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

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不过要到晚上了。

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以下是引用梦游在2005-3-18 8:31:00的发言：

说话声也还能听见，但不清楚。