名词
中文翻译：前置放大器
同义词：
['前置放大器，前置放大器电路例句：1. The preamp is responsible for amplifying the signal before it reaches the main amplifier.（前置放大器负责在信号到达主放大器之前进行放大。）']
例句：
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1. The preamp is responsible for amplifying the signal before it reaches the main amplifier.
前置放大器负责在信号到达主放大器之前进行放大。
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2.In audio engineering, the preamp plays a crucial role in the overall sound quality.
在音频工程中，前置放大器在整体音质中起着至关重要的作用。
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3. The engineer carefully selected the preamp to ensure that the signal was properly amplified and balanced.
工程师仔细选择了前置放大器，以确保信号得到适当的放大和平衡。