Alpine R2-W8D4 2nd Gen - user opinions

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Alpine R2-W8D4 2nd Gen

Summary: Subwoofer Size: 8"; Peak Power Handling: 1000 watts; RMS Power Handling: 350 watts; Voice Coil(s): Dual; Impedance (Per Voice Coil): 4 ohms; Voice Coil Diameter: 1.6"; Frequency Response: 30 - 200 Hz; Sensitivity: 83.7 dB; Xmax (millimeters): 12 mm; Subwoofer Design: Round / Circle; Main Cone Color: Black; Woofer Composition: Kevlar Reinforced Pulp Paper; Woofer Surround: High-Amplitude Multi-Roll (H.A.M.R); Magnet Structure: Double Stacked; Magnet weight: 56 oz.; Re-Cone Kit Available: No; CTA-2031 Compliant: Yes; Minimum Sealed Box Volume: .15 cubic feet; Maximum Sealed Box Volume: .45 cubic feet; Minimum Ported Box Volume: .35 cubic feet; Maximum Ported Box Volume: .70 cubic feet; Top-Mo ...


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