SPL APW-12 12 In Closed Cell Polyurethane Surround 4 Ohm Single VC Car Audio Sub

SPL APW-12 - Closed Cell Polyurethane Surround-Polyurethane is a foam comp ound used in the manufacture of countless gasket and insulation products,known for its adhesive bonding properties.APE PU surr ounds als o have built-in expansion pockets to flex and relieve stresses during extreme Use.Back Plate & T-Yoke Venting-Heat build-up is a leading cause of catastrophic woofer failure. Venting built into the T-Yoke, back plate, and voice coil extract and dissapate heat, ensuring APE woofers keep their cool. Overcast Stitched Cone Assembly- Surrounds of APE woofers are double overcast stitched directly to the cone surface. In addition to superior adhesives, overcast stitching improves theconventional bond between cone and surround. 100% OFC 4-Layer Voice Coil-APE woofers use 1ö long, 2ö diameter 100% OFC Copper voice coils . A vented Aluminum former extract and dissapate any heat build-up, resulting in im proved power han dling.