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喇叭为什么会失真?

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扫一扫!喇叭为什么会失真?扫一扫!
人气:-发表时间:2017-10-05 10:40【

从事过扬声器(喇叭)行业的人都知道有扬声器失真这个概念,但具体失真是什么意思,失真必须控制在什么范围,失真起因于什么,如何避免失真,恐怕知道的人并不是很多。今天我为大家一一解释一下。

YANGSHENGQISHIZHENYICHENGGAODIAOBOWAILV。CONGYANGSHENGQIFUSHECHUQUDESHENGYIN,LIYINGZHIYOUSUOJIAXINHAODEZHONGXIAN,DANSHIJISHANGFUSHECHULAIDESHENGYINZHONGCHUJIPINXINHAOSHENGWAI,HAIYOUQITAPINLVDESHENGYINCHUXIAN,SHISHENGYINTINGQILAIYOUYICHANGDEGANJUE,ZHEIZHONGXIANXIANGJIAOSHIZHEN。 

SHIZHENLVYIDINGYAODINGLIANGDEYINYASHUCHUZUOBIJIAOCAINENGZHENGQUE,DANZEYIBUCHAOGUO5%WEIZHUN。

SHIZHENZHUYAOQIYINYU:

1QUDONGLI(CISHUFENBUBUPINGDEDIANLIUBIANXING,SHURUCHAOGUOEDINGSHURUGONGLV)、

2ZHICHIBUFEN(DANBOYUZHENDONGBANDETUYUANBUFEN)、

3ZHENDONGBANHUOSAIYUNDONGYUFENGEYUNDONGDENGSANGEZHONGYAOYUANYIN。

SHIZHENBAOKUO: 1.FEIXIANXINGSHIZHENYOUBAOKUOXIEBOSHIZHENHEHUDIAOSHIZHEN。

2.SHUNTAISHIZHEN。

A、XIEBOSHIZHEN:YIBANYOUYANGSHENGQICICHANGBUJUNYUNJIZHENDONGBANXITONGDEFEIXIANXINGJIBIANYINQI。TONGCHANGZAIDIPINSHICHANSHENG,YINWEIDIPINSHIZHENFUDA,YINQUANZHIPEN、DANBODENGRONGYICHANSHENGFEIZHIXIANXINGJIBIAN。

浙江体彩ZAIYANGSHENGQIDECIHUIJIANXINEI,BUJINSHIZHIYOUTIEPIANHOUDUDUIYINGCHUCUNZAIHUANXINGCICHANG,SHISHISHANGZAIWAIBUTONGYANGYOUCICHANGCUNZAI,ZHISHICILIXIANMEIYOUFANEIMEMIERYI,YINCICICHANGBUSHIYUNQIANGCICHANG,CUNZAIZHEBUJUNYUNXING,GUXIANQUANZAIJIANXINEIYUNDONGJIN,SUOGANSHOUDECICHANGBUJUNYUN,ERHUIYINQIYIDINGDESHIZHEN。

B、HUDIAOSHIZHEN:SHILIANGZHONGBUTONGPINLVDEXINHAO,TONGSHIJIARUDAOYANGSHENGQISHANGSHI,HUXIANGDIAOZHIERYINQIDE,HUDIAOSHIZHENHUIZAOCHENGYINDIAOSHANGDESHIZHEN,DANGHUDIAOSHIZHENJIAODASHI,HUISHIHECHANGPAISHOUDENGZHONGFANGYINZHIXIANZHEBIANHUAI。

浙江体彩C 、SHUNTAISHIZHEN:ZHEISHIYOUYUYANGSHENGQIDEZHENDONGXITONGGENBUSHANGKUAISUDUBIANHUADEDIANXINHAOERYINQIDESHUCHUBOXINGSHIZHEN。 ZHEIZHONGSHIZHENYUPINLVXIANGYINGQUXIANDEPINGHUACHENGDUYOUGUAN。ZAIZHENDONGBANDEMEIGEGONGZHENDIAN(XIANGDANGYUPINXIANGQUXIANDEFENGGUCHU),ZHEIZHONGSHIZHENGENGWEIYANZHONG。

浙江体彩ZHIQIANWOYOUXIEGUOYIPIANWENZHANGJIANGGUOGONGFANGDESHUCHUGONGLVYIDINGYAODAYULABADESHUCHUGONGLV,FOUZEBUDANHUIYINGXIANGSHENGYINXIAOGUO,ERQIEHUIJIASUGONGFANGDESUNHUAI。XUANZEDELABAZUKANGBIGONGFANGDESHUCHUZUKANGGAOSHI,JIANGYINGXIANGFANGDAQIDESHUCHUGONGLV;ERDANGLABADEZUKANGGUODISHI,RUDIYU4OUMUYIXIA,SHIYONGDEGONGLVFANGDAQIYUEDINGDESHUCHUGONGLVYOUBUXIANGPIPEI,ZHEIZHONGQINGKUANGXIASHIZHENJIANGZENGDA。

 

使用的功率放大器与额定的输出功率又不相匹配,扬声器阻抗越低,失真越大,上图则A图失真将会很大。 

ZONGJIE:RUGUOLABADEZUKANGFUHEYAOQIU,EDINGGONGLVYOUBIGONGFANGDEEDINGGONGLVSHAOXIAO,SHIZHENJIUXIANGDUIXIAO,LABADESHENGYINZHILIANGJIUHAO。

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