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差点难倒老司机 宝马车升级低音后出现异响

2017-05-08 08:05:17   

远远就看到老王的3系疾驰而来,刚在店门停好车就急开门,一脸杀气的冲进来。

卧槽,发生什么事了?

尼玛,老王骂骂咧咧地说,装个音响还送异响啊,快帮我看看是哪里没装好?一开音响就哗啦啦哗啦啦......

赶紧招呼老王坐下喝茶好生安抚,同时安排兄弟开始检查。怠慢不得,老王这人脾气不好。

拆开所有以前拆过的地方慢慢查

不是那里不是那里...是在座椅底下的,老王嚷嚷起来。

那就拆开座椅检查,座椅固定,喇叭固定都看了

忙活半天,现在这天已经有点热了,挥汗如雨中恢复,重新测试。老天哪,还是有异响。拆装检查的兄弟没办法了。眼看老王又要爆发,看来只好大李哥亲自出厂了。

一番细听,基本确定这个响应不是因为安装固定不牢固引起的,更加不是车身受损的原因。极大可能是因为低音工作时引起安装位置周边的钢板共振而已。这不宝马3系装的是大功率系统。低音能力巨大。

原来的6寸小低音是不响的,换了大低音没加功放是也不响的

两台大功放啊,乖乖,能量巨大。

i-sotec8寸大低音,这货挺猛的

反复试听,认定就是座椅底下发出的声音了,那就开始尝试解决。喇叭没问题,是喇叭太猛造成的。

用隔音垫把底部钢板加固,同时也是填满了钢板和低音箱的空隙

音箱内部也用隔音垫加固

再次装好,测试,异响消失了。找到了方法,就这么简单哦!意外的是,低音变的更加实在了,怪不得卖隔音的生意那么好,真实存在即理由啊。钢板谐振会污染音色。只用了一点边角料就解决了问题!

总结了一下:

大功率系统,隔音垫的加入是非常有必要的,但务必要针对性,喇叭安装30厘米范围是一定要处理的。

脾气坏的人,其实是很好的人。有什么说什么,不会闷在心里。感情反而越来越好,这不,上个月老王介绍了几个朋友来装音响了。

做事一定要细心,收获的不止是利润,还是更多的好朋友!

关注庆尊科技头条号,做有逼格的汽车音响爱好者。

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