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Alpine R2-W10D2

$330.00

R Series 10″ subwoofer with dual 2-ohm voice coils

Maximum bass output. Alpine’s R2-W10D2 10″ subwoofer delivers powerful, precise bass that combines both accurate response and impressive output. Drawing on over 40 years of audio engineering expertise, Alpine has designed this high-performance subwoofer with a new motor structure featuring double-stacked magnets that produces deeper bass with tighter sound control. This premium subwoofer features a durable Kevlar-reinforced pulp cone with a High Amplitude Multi-Roll (HAMR) Santoprene™ rubber surround that allows for extreme excursion while maintaining control. The oversized poly ceramic dust cap adds rigidity to keep the sound tight even at high output levels, making this the perfect choice for bass enthusiasts who demand both quality and quantity from their subwoofer system.

Product Highlights

  • Type: 10″ subwoofer with dual 2-ohm voice coils
  • Power Handling: 300-750 watts RMS (375 watts per coil)
  • Peak Power: 2250 watts
  • Frequency Response: 26-200 Hz
  • Sensitivity: 82.3 dB
  • Voice Coil Configuration: Dual 2-ohm (can be wired for 1-ohm or 4-ohm loads)

Key Features

  • Premium Cone Construction:
    • Kevlar-reinforced pulp cone for strength and natural sound
    • HAMR Santoprene™ rubber surround allows extreme excursion
    • Oversized poly ceramic dust cap increases rigidity
  • Advanced Motor Design:
    • Double-stacked magnets for deeper bass
    • Compound Radius Curve pole geometry ensures symmetrical magnetic field
    • Progressive spider with reinforced layer tinsel leads
  • Flexible Installation:
    • Works well in sealed or ported enclosures
    • Dual voice coils for system wiring flexibility
    • Spring-loaded terminals accept up to 8-gauge wire

Package Contents

  • One 10″ dual 2-ohm voice coil subwoofer
  • Plastic trim ring
  • Two 4.5″ jumper wires with banana connectors
  • Installation documentation

Performance & Power

  • Power Handling: 300-750 watts RMS (375 watts per coil)
  • Peak Power Handling: 2250 watts
  • Frequency Response: 26-200 Hz
  • Sensitivity: 82.3 dB at 1 watt
  • Impedance: Dual 2-ohm voice coils (configurable for 1-ohm or 4-ohm loads)
  • Thiele/Small Parameters:
    • Vas: 18.2 liters
    • Fs: 31 Hz
    • Qts: 0.47
    • Xmax: 20mm

Physical Dimensions

  • Frame Diameter: 10.456 inches
  • Cutout Diameter: 9-1/8 inches
  • Mounting Depth: 5.975 inches (top-mount)
  • Mounting Height: 0.8 inches

Materials & Construction

  • Cone Material: Kevlar-reinforced pulp (two-piece structural parabolic design)
  • Surround: HAMR (High Amplitude Multi-Roll) Santoprene rubber
  • Dust Cap: Oversized inverted polypropylene/ceramic composite
  • Basket/Frame: Aluminum
  • Motor Structure:
    • Double-stacked magnets
    • Patented Compound Radius Curve pole geometry
    • Progressive spider with reinforced layer tinsel leads
  • Voice Coil: Dual 2-ohm design
  • Terminals: Spring-loaded posts (accept up to 8-gauge wire, pin connectors, or banana plugs)

Enclosure Recommendations

  • Sealed Box:
    • Minimum Volume: 0.48 cubic feet
    • Ideal Volume: 0.58 cubic feet
    • Maximum Volume: 0.93 cubic feet
  • Ported Box:
    • Minimum Volume: 0.83 cubic feet
    • Ideal Volume: 1.33 cubic feet with slot port (10″ × 1.5″ × 19.5″)
    • Maximum Volume: 1.38 cubic feet
    • Recommended Tuning Frequency: 37 Hz

Wiring Options

  • Parallel Wiring: 1-ohm load (using included jumpers)
  • Series Wiring: 4-ohm load (using included jumpers)
  • Note: Confirm amplifier compatibility when wiring for lower impedance
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