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TPA6120A2

Other Parts Discussed in Thread: TPA6120A2

TPA6120A2是高保真耳放芯片,为达到高音质效果,是否要在其之前增加一级前置放大?还是只需输入平衡式的信号进行差动输入即可?必须输入正相和反相的差动信号?如此一来要用个4连的音量电位器来控制音量了?因本人英文水平有限不太理解官方技术手册,我还不确定是否可在其之前加入音量电位器,不知加了音量电位器是否影响其动态效果。烦请分别详细解答。THANKS