12" Tall Roll Subwoofer Cone 

• Cone body Material: Semi pressed Kraft Pulp
• Surround Material: Foam
• Cone Height: 1.8"  (45.7mm)
• Outer Diameter:  12.33"  (313mm)
• Surround Height:  1.18"  (30mm)
• Surround Width: 1.18"  (30mm)
• Voice Coil Opening: 3.07"  (78mm)
• Cone Mass: 151 grams
• Dust Cap Notch: 5.1"  (130mm)