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Alpine Type-R SWR-T12 Open Box (Complete) - Pair

1800W Peak 12" Type-R Series Shallow Mount Single 4 ohm Truck Subwoofer

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• Peak Power: 1,200 Watts
• RMS Power: 600 Watts
• Aluminum Woofer Cone
• Santoprene Rubber Surround
• Cast Aluminum Frame
• Radial Finned Heat Sink
• Special Spider Design

Learn more about the ls-swrt12-obc10_2
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List price $1300.00
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Description


Alpine brand icon

Authorized dealer

Alpine Type-R SWR-T12 Open Box (Complete)

1800W Peak 12" Type-R Series Shallow Mount Single 4 ohm Truck Subwoofer
Quantity: 2

Product Features:

  • 12" Type-R Shallow-Mount Subwoofer
  • Power Handling:
    • Peak: 1800 watts
    • RMS: 600 watts
  • Recommended power range: 300 - 600 watts RMS
  • Impedance: Single 4 Ohm
  • Aluminum woofer cone
  • Injection Molded Santoprene rubber surround
  • High-Amplitude Multi-Roll (HAMR) suspension results in the highest X-max and SPL output in its category
  • Thin design allows for installation in compact areas
  • FEA-Optimization allows for maximum linearity, greatly reduces distortion, and improves power handling and output
  • Vented voice coil heat sink, and airflow management system keeps subwoofer cool, while reducing distortion
  • 4" diameter single layer edge-wound ribbon wire voice coil
  • Unique spider and pass-through gap design, provide over 50mm of peak-to-peak excursion
  • Neodymium 35SH magnet structure
  • Frequency response: 26-200 Hz
  • Sensitivity: 84dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Alpine Type-R SWR-T12 Open Box (Complete) - Pair Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine Type-R SWR-T12 Open Box (Complete) - Pair Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Alpine Type-R SWR-T12 Open Box (Complete) - Pair Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Alpine Type-R SWR-T12 Open Box (Complete) - Pair Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
Type-R Series
Subwoofer Size
12"
Peak Power Handling
1800 watts
RMS Power Handling
600 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohm
Frequency Response
26 - 200 Hz
Sensitivity
84 dB
Xmax (millimeters)
15 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Aluminum
Woofer Surround
Santoprene Rubber
Subwoofer Grille
Optional (Accessory required and sold separately)
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
0.40 cubic feet
Optimum Sealed Box Volume
0.55 cubic feet
Maximum Sealed Box Volume
0.75 cubic feet
Minimum Ported Box Volume
1.0 cubic feet
Optimum Ported Box Volume
1.25 cubic feet
Maximum Ported Box Volume
1.5 cubic feet
Top-Mount Depth (Mounting Depth)
3-1/2"
Cutout Diameter
10-15/16"
Shallow Mount Installation
Yes
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

LS-SWRT12-OBC10_2

Weight:

31.00lbs

Internal SKU:

ls-swrt12-obc10_2

Internal Product ID:

230357

Customer Ratings & Reviews


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

  • You see only parts engineered for your exact vehicle
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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.