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，接铜箔引出。
bobbin: 国产til(gfb-g)
綫材:1-app7caw铜包铝线
補强紙：白色spunlace
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