Alpine S-W12D4 12" 1800 Watt Dual 4-Ohm Car Audio Subwoofer Sub Type-S SW12D4
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Condition: Open Box
Product Description
Features:
- Recommended power range: 250- 600W RMS
- Pulp/Kevlar Cone
- High Amplitude Multi-Roll (HAMR) Surround
- Progressive Spider with Reinforced Layer Tinsel Leads
- Airflow Optimized Dual Flare Pole Vent
- High Strength Steel Frame Basket
- 8 AWG Push Terminals with VC Configuration Jumpers
- Dual Voice Coil
- High Grade Strontium Ferrite Magnets (Fs): 31 Hz
- Authorized Internet Dealer
- 1-year Manufacturer's Warranty
Subwoofer Specifications:
- Subwoofer Series: Type-S (Alpine)
- Subwoofer Size: 12"
- Peak Power Handling: 1800 watts
- Impedance (Per Voice Coil): 4 ohms
- Voice Coil Diameter: 2.6"
- Frequency Response: 24 - 200 Hz
- Sensitivity: 86.4 dB
- Xmax (millimeters): 15 mm
- Subwoofer Design: Round / Circle
- Main Cone Color: Silver
- Woofer Surround: High Roll Foam
Recommended Enclosure Specifications:
- Recommended Enclosure Type: Ported / Vented
Sealed - Minimum Sealed Box Volume: 0.55 cubic feet
- Maximum Sealed Box Volume: 1 cubic feet
- Minimum Ported Box Volume: 1.0 cubic feet
- Maximum Ported Box Volume: 1.5 cubic feet
- Top-Mount Depth: 5-1/16"
- Cutout Diameter: 10-9/16"
Parameters:
- Equivalent Compliance (Vas): 46.4 liters
- Total Speaker Q Value (Qts): 0.52
- Electrical Q Value (Qes): 0.58
- Electrical Resistance of Voice Coil (Re): 3.8 ohms
- Mechanical Q Value (Qms): 4.68
