5.5寸音箱有必要加lc分频吗?

2025-03-15 01:22:33
推荐回答(3个)
回答1:

你是说5.5寸喇叭作低音单元的音箱,低音需不需加LC滤波器吗?如果5.5寸有全频单元的话就不存在加分频器了。高音单元常因结构问题不能承受高功率,自然需要加高通分频网络避免串入过多中低音引起过载失真,这里也不谈了!5~6.5寸锥盆单元是很多音响爱好者喜欢的单元,因为这个尺寸下兼顾了低频效果又有良好的高频特性和瞬态响应,口径越小往往高频延伸越好!5.5寸单元高频—6dB点一般要在6KHz向上,Hi-Fi音箱为满足中频指向性要求,二分频分频点尽可能低些!2~4KHz是高档音箱常取的值!5.5寸低音单元6KHz以上也基本满足要拥有分频点一个倍频程的高频上限!这样一来,如果不加LC低通分频网络势必有过多的高频成份和高音单元重叠,造成这段频响曲线隆起,也有可能因相位问题某些频率下会形成波谷!从减轻失真和相移的角度,其实最好不要加LC分频网络才好,只不过目前还达不到完全脱离LC分频的技术水平,所谓的全频喇叭不可能是真正的全频!另外选择的高低音单元之间本身有时也会存在一定相位差这也得通过分频器来调整!

回答2:

除了全频喇叭外都需要加分频器

回答3:

看你是什么档次的音箱,好多街边的低档货,高音喇叭只有一个电容而已。

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