隔直通交,电容(转载)

勇揭品牌机的内幕:所谓高保真音箱的猫腻 台式机-计世网

通常情况下,电脑有源音箱采用的2分频方式,即音频信号的高频成分和低频成分,分别由高音扬声器和低频扬声器来表现。这是由扬声器的分工决定的,高频扬声器适合重放较高频率的声音成分,而低频扬声器则适合于重放低频率的声音成分。低档的有源音箱中,往往只采用一个分频电容来进行分频,由于分频电容具有"阻低通高"的特性,因此高音扬声器往往串联着一个分频电容,造成低音与高音混在一起,效果令人难以接受。

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