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为什么汽车喇叭是4欧

更新时间: 2020-09-23 00:00:00     

汽车音响喇叭由于汽车电路低电压的特殊性,使用一般标称阻抗多为4欧姆,主要为了和不同输出阻抗的放大器配合(阻抗匹配),以达到放大器输出功率最大、失真最小。

1、如果配上8欧的也会响,电阻变大,会引起电流变小,声音变小。

2、要是配上2欧的,阻抗小了,会引起电流增大,功放会过载,损伤功放。

关键词: 为什么 汽车 喇叭

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