[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

音量控制的通道平衡度在低电平时最关键:普通电位器在小音量(衰减-40dB以下)时左右声道偏差可达2-3dB,导致声像偏移。追求精度应选择继电器切换的步进衰减器或R-2R电阻阵列音控,通道误差可控制在0.05dB内

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