The Typical Car Woofer Voice Coil Type
3" Size Coil
The Bobbin Material is BLAK ALUMINIUM, shorted for BASV
4 Layers with Wet-Wind Process to ensure the Winding Integrity
The Taping Material is White Spunlace Cloth
With 4 Copper Pads as Lead Wires.
Widely Applied in the Car Woofer and Subwoofer Type Loudspeaker, esp High Power.