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- R2-W8D4

Alpine R2-W8D4 8" R-Series "R2" Subwoofer, Dual 4-Ohm, 350 Watt RMS

MSRP: $280.00 , - $30.05 Savings
$249.95
Shipping:
Free 2-Day Shipping!

Alpine R2-W8D4

R-Series Type R2 8-inch Subwoofer 4+4 ohms

The new R-Series subwoofers now feature larger, double-stacked magnets that contribute more motor force for deeper bass and tighter bass control. An integrated Faraday ring minimizes distortion for cleaner bass output. A Kevlar-treated cone ensures durability in the subwoofer for reliable performance, even at high volumes. A new Polypropylene/ceramic composite dust cap ensures rigidity while also providing incredible internal damping. The new R-Series subwoofers contain a Dual Voice Coil (DVC) with easy configuration jumpers that allow for flexible applications. A new “EZ-Change” twist-lock grille mounting system makes it easy to install and remove an optional grille without mounting screws for added protection to the cone. The new R-Series subwoofers contain Alpine’s High Amplitude Multi-Roll (HAMR) Surround Technology. The R-Series subwoofers are High-Resolution Audio Compliant. Rated at 350W RMS (1000 peak power handling), the R-Series subwoofers will provide deep bass output.

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
General Specifications:
  • • 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”)
BOX SPECS
  • 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
THIELE-SMALL PARAMETERS
  • • 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