voice coil for pa speaker
内外繞音圈
常見pa音圈内徑尺寸為45mm~126mm
products details
内外繞作法音圈，内外各一層，引綫直接出綫
bobbin: gfb-p
綫材:1-apips7铜线
補强紙：黑色spunlace
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