voice coil for pa speaker
低音扁綫音圈
常見pa音圈内徑尺寸為45mm~126mm
products details
扁綫一層立繞，負極穿綫作業，卷幅刷黑膠，正負極引綫接銅片引出作法。
bobbin: gfb-p
綫材:1-esvcar銅包鋁扁綫
補强紙：tkb
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