Kapton voice coil speaker voice coil dual voice coil speaker voice coil 2 inch voice coil (KSV)Material of Bbooin: ... height:3.3CMWind area:1.75cmTinsel wire:6CM(TINNED)Space between:1cm voice coil for car speaker ,PA speakerKAPTON Bobbin other information ... ,Kapton,glass fibreMaterial of wire: Cu,Sv,El,Al,Flat AlLead wire type: flat line,woven wire,copper coated alumium wire,the double decked ...