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Alpine SWR-8D2- OPEN BOX

350W 8" Type-R Dual 2 ohm Subwoofer

Alpine
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• 1000W Peak
• 150-350W RMS
• Dual 2-Ohm Voice Coil
• Kevlar Treated Pulp Cone
• Durable HAMR Santoprene Surround

Learn more about the LS-swr8d2-OB

We apologize

This item has been discontinued

Product Highlights


• 1000W Peak
• 150-350W RMS
• Dual 2-Ohm Voice Coil
• Kevlar Treated Pulp Cone
• Durable HAMR Santoprene Surround

Description


Alpine brand icon

Authorized dealer

General Features:

  • 8" Dual 2-Ohm Type-R Series Car Subwoofer
  • Product is Open Box
    • Damaged Packaging
  • Power Handling:
    • Peak: 1000 watts
    • RMS: 150-350 watts
  • Impedance: Dual 2 ohms
  • Reinforced Parabolic Cone Structure with Poly-Mica Dust Cap & Pulp-Kevlar Cone
  • Durable HAMR Santoprene surround
  • Nomex Progressive Conex spider
  • Compound Radius Curve pole geometry
  • Oversized 1.6", High-Temperature, 4-Layer Dual Voice Coil
  • 52 oz. magnet motor structure
  • Frequency response: 30-200 Hz
  • Resonance Frequency (Fs): 40Hz
  • Excursion: 12mm
  • Top-mount depth: 4-1/2"
  • Sensitivity: 83.5dB
  • 1-year Sonic Electronix Warranty

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 SWR-8D2- OPEN BOX Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine SWR-8D2- OPEN BOX Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Alpine SWR-8D2- OPEN BOX Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 Alpine SWR-8D2- OPEN BOX Subwoofers

2 Channel Amp

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
Type-R Series
Subwoofer Size
8"
Peak Power Handling
1000 watts
RMS Power Handling
350 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohms
Voice Coil Diameter
1-5/8"
Sensitivity
83.5 dB
Xmax (millimeters)
12 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Kevlar Reinforced Pulp Paper
Woofer Surround
Santoprene Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
0.15 cubic feet
Optimum Sealed Box Volume
0.30 cubic feet
Maximum Sealed Box Volume
0.50 cubic feet
Minimum Ported Box Volume
0.25 cubic feet
Optimum Ported Box Volume
0.70 cubic feet
Maximum Ported Box Volume
0.70 cubic feet
Top-Mount Depth (Mounting Depth)
4-1/2"
Cutout Diameter
6-15/16"
Shallow Mount Installation
No
Electromechanical Parameters
Free-Air Resonance (Fs)
40 Hz
Equivalent Compliance (Vas)
10.5 liters
Total Speaker Q Value (Qts)
0.50
Electrical Q Value (Qes)
0.54
Electrical Resistance of Voice Coil (Re)
1.85 + 1.85 ohms
Mechanical Q Value (Qms)
7.2
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

SWR-8D2

Weight:

9.50lbs

Internal SKU:

LS-swr8d2-OB

Internal Product ID:

95335

Product and How-to Videos


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