[KongchangAI]
Unverified83% confidenceFactTime unknown

前级输出阻抗与后级输入阻抗需匹配,电子管前级输出阻抗常达数百至上千欧姆,搭配低输入阻抗(<20kΩ)晶体管后级会导致低频衰减,选购时应核对参数比例

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83%
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Long-term
Relevance
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