Beyond these benefits, speaker selectors also help to protect the amplifier from damage by reducing or balancing the load.
除了这些优点外，喇叭选择器通过减少或平衡负荷还有助于保护扩音器免受损害。
While working on a means of reducing amplifier distortion, he devised the negative feedback amplifier.
在研究减少放大器失真方法时他发明了负反馈放大器。
Critical conditions for reducing the power level of auxiliary amplifier are presented.
提出了降低前馈系统辅助功率放大器功率容量的判断条件。
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