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Alpine SWR-8D2
Alpine SWT-10S2
Alpine SWR-8D4
Diaphram
- Material: Reinforced Parabolic Cone Structure with Poly-Mica Dust Cap & Pulp-Kevlar Cone Body
- Design: 2-Piece Structural Parabolic
Surround
- Material: Injected Molded Santoprene®
- Design: High Amplitude Multi-Roll
Spider
- Material: Nomex®
- Design: Progressive Conex® Spider with Reinforced Layer Tinsel Leads
Voice Coil
- Material: 38mm Voice Coil with High-Temp
- Design: 4-Layer DVC Winding on Spiral Cut
Motor Structure
- Pole Geometry: Extended Pole Geometry
- Configuration: Compound Radius Curve
Frame
- Material: Cast Aluminum
- Design: Perimeter Vented Heat Transfer
Terminals
- Layout: One Side
- Design: Heavy Duty 8 gauge Push with Housing, Banana Plug Jumper
Tinsel Leads
- Design: Reinforced Layer Spider Integration (Patent #6,810,988)
Gasket
- Design: Concealed Mount Gasket (Integrated Grille System Ready, US Pat #7,760,900)
More Information
| Model |
SWR-8D4 |
| Manufacturer |
Alpine Electronics |
| Subwoofer Size |
8" |
| RMS Power Rating |
350 watts |
| Max Power Rating |
1000 watts |
| Frequency Response (Hz) |
30 - 200 Hz |
| Nominal Impedance: |
4Ω |
| Xmax - Inch(mm) |
12 mm |
| Fs-Free Air Resonance (Hz) |
42 Hz |
| Qts |
0.57 |
| Qes |
0.62 |
| Qms |
6.8 |
| Mounting Depth |
4-1/2" |
| Sensitivity (dB @ 1W/1M) |
40 dB |
| Mounting Diameter (inch/mm) |
6-15/16′′ |
