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Alpine Type-R SWR-12D4 (Open Box, Works like new)

3000W Peak (1000W RMS) 12" Type-R Series Dual 4-Ohm Car Subwoofer

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• 1000 Watts RMS
• 3000 Watts Max
• Reinforced parabolic cone structure
• Durable High Amplitude Multi-Roll santoprene surround
• Cast aluminum frame with integral shorting sleeve
• High-grade strontium ferrite segmented magnet assembly
• Integrated 8 AWG push terminals with VC jumpers

Learn more about the ls-swr12d4-obc253005-1

We apologize

This item has been discontinued

Description


Alpine brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

General Features:

  • 12" Fifth-Generation Type-R Series Car Subwoofer
  • Power Handling:
    • Peak: 3000 watts
    • RMS: 250-1000 watts
  • Recommend power range: 250 - 750 watts RMS
  • Impedance: Dual 4 ohm
  • Kevlar treated pulp cone
  • Reinforced parabolic cone structure with Poly-Mica dust cap
  • Durable High Amplitude Multi-Roll santoprene surround
  • Progressive Conex spider with reinforced layer tinsel lead
  • Concealed mount gasket
  • Cast aluminum frame with integral shorting sleeve
  • Radial vented heat sink
  • Compound Radius Curve pole geometry
  • Oversized 2.6", High-Temperature, 4-Layer Dual Voice Coil
  • Spiral cut, black anodized aluminum former
  • Airflow Optimized dual flare pole vent
  • High-grade strontium ferrite segmented magnet assembly
  • Integrated 8 AWG push terminals with VC jumpers
  • Top-mount depth: 6-3/8"
  • Cutout diameter: 10-7/8"
  • Frequency response: 24 - 200 Hz
  • Xmax: 20mm
  • Sensitivity: 84.9dB
  • Magnet weight: 127oz
  • Protective 2-Piece Grille Available, sold separately: Alpine KTE-12G
  • Recommended sealed enclosure: 0.55 - 1.00 ft³
  • Recommended ported enclosure: 1.00 - 1.50 ft³
  • 1-year Sonic Electronix Warranty

Priced Individually

Check out the Alpine Type-R Subwoofer Owner's Manual

Alpine products are warranted solely by Sonic Electronix, Inc. under the same period and terms as the original Alpine warranty. Sonic Electronix is not an Authorized Alpine Dealer and Alpine requires all merchandise purchased by Sonic Electronix customers to be returned solely to Sonic Electronix. Alpine products are also covered by our Standard Return Policy for returns on exchanges or refunds within 30 days from the date of purchase.

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Alpine Type-R SWR-12D4 (Open Box, Works like new) Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine Type-R SWR-12D4 (Open Box, Works like new) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Alpine Type-R SWR-12D4 (Open Box, Works like new) Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Alpine Type-R SWR-12D4 (Open Box, Works like new) Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
Type-R Series
Subwoofer Size
12"
Peak Power Handling
3000 watts
RMS Power Handling
1000 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Frequency Response
24 - 200 Hz
Sensitivity
84.9 dB
Xmax (millimeters)
20 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Kevlar Reinforced Pulp Paper
Woofer Surround
Santoprene Rubber
Subwoofer Grille
Optional (Accessory required and sold separately)
Recommended Enclosure Specifications
Optimum Sealed Box Volume
.55-1 cubic feet
Optimum Ported Box Volume
1-1.5 cubic feet
Top-Mount Depth (Mounting Depth)
6-3/8"
Cutout Diameter
10-7/8"
Warranty and Return Policy
Parts Warranty Duration
90 days
Labor Warranty Duration
90 days
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SWR-12D4-4

Weight:

27.00lbs

Internal SKU:

ls-swr12d4-obc253005-1

Internal Product ID:

120059

Customer Ratings & Reviews


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.