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传统的有源重低音箱大多采用大阻值电阻自前级取得音频信号,这样做不免有造成左、右声道串扰之虑。有的烧友从功放输出端取得信号也有缺点。笔者试用无线发射方式制作了一款迷你型重低音箱。它适用于音量要求不大的小房间使用。本箱采用立体声发射集成电路BA1404,以76～100MHz的
Traditional active subwoofers mostly use large-value resistors to obtain audio signals from the previous stage, which can not help but cause the left and right crosstalk concerns. Some fans take the signal from the amplifier output has shortcomings. I tried a wireless launch mode made a mini subwoofer. It is suitable for small rooms that require less volume. The box with stereo emission integrated circuit BA1404 to 76 ~ 100MHz