GRS – 6PR-8 – 6-1/2″ Poly Cone Rubber Surround Woofer – 8 Ohm
Polypropylene cone for perfect balance of stiffness, mass, and self-damping. Cone MaterialPolySurround MaterialRubber. Materials of Construction. Product Specifications. Electromagnetic Q (Qes)1.34Total Q (Qts)1.02.