21″ Subwoofer Cone 4″ VCID
- Cone body Material: Kraft Pulp
- Surround Material: Foam
- Cone Height: 4.70″ (119.5mm)
- Outer Diameter: 20.59″ (523mm)
- Surround Height: 0.984″ (25mm)
- Surround Width: 1.77″ (45mm)
- Voice Coil Opening: 4.059″ (103.1mm)
- Cone Mass: 409 Grams
- Dust Cap Notch: No
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