NAD1000前级接上以后会有轻微嗡嗡声10CM处可闻！不用前级就没有了，确定是前级问题...

A123654

NAD1000前级接上以后会有轻微嗡嗡声10CM处可闻！不用前级就没有了，确定是前级问题...







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老浦东

交易区新帖推荐

先把前级输入端所有插头都拔掉试试。

老浦东

如果还有嗡嗡声，就把前级的二脚电源插头拔出来反插一下试试。

chubin2009

前级所有的输入端不插信号线 音量关到底 如果底噪还是远远超出正常值 要么有问题 要吗就是此台前级信噪比就这样