Discussion in '效果器、Amp、DIY' started by jerry19940314, Mar 3, 2017.
請問把效果器多餘的電源線捲在一起收好 會有電磁感應(電流磁效應)? 會影響聲音嗎? 國中物理沒學好 ...=.=... 求各位大大解答~~
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