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Alpine  SWR-8D4

Type-R Series 8" 350W RMS (1000W Peak Power Handling) Dual 4 Ohm Voice Coil, High Performance Subwoofer

Item #36089

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Alpine SWR-8D4 Type-R Series Voice Coil, High Performance Subwoofer


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We are a Alpine authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • •One 8" Dual 4-ohm voice coil subwoofer
  • •1 Rubber concealing ring (installed)
  • •Two 4.5" jumper cables (each cable has a single banana connector on each end)
  • • Type-R Subwoofer application guide
  • •Warranty information
Build the Ideal Sound

The Type-R Subs have been completely redesigned again to offer more installation flexibility and application versatility to build the ideal sound system. At 4-1/2" for the 8", 5 - 7/8” for the 10”, and 6 - 3/8” for the 12”, these new designs offer a near 20% reduction in mounting depth, while offering even greater output capability.

Increased Power Handling

The oversized black anodized 40 mm voice coil offers more than 35% more surface area, allowing for increased power handling to 350W RMS / 1000W Peak.

  • Diameter : 8 Inch
  • Sensitivity : 83.5 dB
  • Impedance : 4 Ohm
  • Frequency Response : 30-200 Hz
  • Peak Power Handling : 1000 Watts
  • Shallow Mount : No Inch
  • Number of Voice Coils : Dual
  • Suggested Sealed Box Volume : 0.3 Cubic ft.
  • Suggested Ported Box Volume : 0.7 Cubic ft.
  • Mounting Depth : 4-1/2 Inches
  • RMS Power Handling : 350 Watts
  • CEA-2031 Power Rating: 350 W RMS
  • Power Range: 150 W-350 W RMS (efficace)
  • MS Power Handling: 350 W RMS (efficace)
  • Peak Power Handling: 1000 W PEAK (de crête)
  • Mounting Depth: 4-1/2′′
  • Mounting Diameter: 6-15/16′′
  • Displacement: -0.050 ft3
  • Added Volume: +0.035 ft3
  • Frequency Response: 30 Hz-200 Hz
  • Material: Reinforced Parabolic Cone Structure with Poly-Mica Dust Cap & Pulp-Kevlar Cone Body
  • Design: 2-Piece Structural Parabolic
  • Material: Injected Molded Santoprene®
  • Design: High Amplitude Multi-Roll
  • Material: Nomex®
  • Design: Progressive Conex® Spider with Reinforced Layer Tinsel Leads
  • Material: 38mm Voice Coil with High-Temp
  • Design: 4-Layer DVC Winding on Spiral Cut
  • Pole Geometry: Extended Pole Geometry
  • Configuration: Compound Radius Curve
  • Material: Cast Aluminum
  • Design: Perimeter Vented Heat Transfer
  • Layout: One Side
  • Design: Heavy Duty 8 gauge Push with Housing, Banana Plug Jumper
  • Design: Reinforced Layer Spider Integration (Patent #6,810,988)
  • Design: Concealed Mount Gasket (Integrated Grille System Ready, US Pat #7,760,900)

 

  • UPC: 793276012371
  • Weight: 9.5
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.

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