race trace shaped voice coil-利来w66
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non-circular voice coil
non-circular voice coil
跑道形音圈
全尺寸定制
products details
跑道形音圈,兩層兩出頭,接銅片 錦絲綫引出作法。
bobbin: kraft paper(牛皮紙)
綫材:1-esvcaw銅包鋁綫
補强紙:原色牛皮紙