Alpine R2-W8D4
R-Series Type R2 8-inch Subwoofer 4+4 ohms
Key Features
- Dual Voice Coil (DVC) Subwoofers with Configuration Jumpers
- Frequency Response (0/-3dB): 30Hz-200Hz
- Sensitivity (1W/1m): 83.5dB
- Nominal Impedance: 2Ω (4+4) or 4Ω (2+2)
- 35mm voice coil
- CTA-2031 compliant
- Mounting Depth: 4-3/8” (118mm)
- Cutout Size: 6-15/16” (176mm)
- XMax: 12mm
- Magnet Weight: 56oz
- Push-Type Speaker Terminals (Up to 8AWG Wire Size)
- Polypropylene/Ceramic Composite Dust Cap
- Kevlar Reinforced Pulp Cone High-Performance subwoofers
- Twist-Lock Grille Mount System
- High-Amplitude Multi-Roll (H.A.M.R.) Surround
- Hi-Res Audio Compliant (High-Resolution Audio Playback)
- Large Double-Stacked Magnets
- 350W RMS/1000W Peak Power Handling
- • Size: 8”
- • Dimensions: 7.64” x 7.64” x 4.56”
- • Frequency Response: 30Hz - 200Hz
- • Power Range: 150W - 350W RMS
- • Power Handling: 350W RMS / 1000W Peak
- • Magnet Weight: 56 oz
- • Voice Coil Diameter: 40 mm (2.6”)
- SEALED BOX RANGE:
- Net Internal Volume: 0.15 - 0.45 cubic ft
- RECOMMENDED SEALED BOX:
- External Dimensions: 13” x 13” x 5.5”
- Gross Internal Volume: 0.30 cubic ft
- Net Internal Volume: 0.25 cubic ft
- D2 - F3, Qtc: 59Hz, 0.73
- D4 - F3, Qtc: 59Hz, 0.72
- VENTED BOX RANGE:
- Net Internal Volume: 0.25 - 0.7 cubic ft
- Fb, Tuning: 36-40Hz
- RECOMMENDED VENTED BOX:
- External Dimensions: 11” x 9.5” x 21”
- Gross Internal Volume: 0.86 cubic ft
- Vent Area (W x H): 8 square in (8” x 1”)
- Vent Length: 17.5”
- Vent Displacement: 0.13 cubic ft
- Net Internal Volume (Vb): 0.68 cubic ft
- D4 - F3, Ripple, Fb: 32Hz, 3.2 dB, 39Hz
- • Sensitivity (1W/1m): 83.7 dB
- • DC Resistance (Re): 3.6∆ + 3.6∆
- • Free Air Resonance (Fs): 43 Hz
- • Equivalent Stiffness: 10.5 L
- • Mechanical Q (Qms): 7.08
- • Electrical Q (Qes): 0.58
- • Total Q (Qts): 0.53
- • Cone Area (Sd): 201 square cm
- • Linear Excursion (Xmax): 12 mm
- • Mechanical Travel (Xmech): 52 mm
- SKU:
- R2-W8D4
- UPC:
- 793276084699
- Condition:
- New
- Availability:
- In stock and ready to ship! For US Customers Only.
- Shipping:
- Free 2-Day Shipping!
Click image to download warranty PDF
UPC: |
793276084699 |
Bundle: |
No |
Feature 1: |
Dual Voice Coil (DVC) Subwoofers with Configuration Jumpers |
Feature 2: |
Push-Type Speaker Terminals (Up to 8AWG Wire Size) |
Feature 3: |
Polypropylene/Ceramic Composite Dust Cap |
Feature 4: |
Kevlar Reinforced Pulp Cone High-Performance subwoofers |
Feature 5: |
Twist-Lock Grille Mount System |
Condition: |
NEW |
Weight: |
10.0000 lbs |
ASIN: |
B09Q82GQJT |
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