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Alpine SWS-1223D and SWS-1243D
ALPINE - SWS-1223D and SWS-1243D
SWS-1223D: 12" Type-S Series Subwoofer (2Ω+2Ω)
SWS-1243D: 12" Type-S Series Subwoofer (4Ω+4Ω)

Bass for your Space.
Want great performance from a sub that won't take up that much room? The new Alpine Type-S subwoofers feature a shallow mounting depth design, so you can get tight accurate bass in smaller spaces. An advanced airflow system including a stamped steel basket design with leg venting cooling keeps the bass going while keeping your sub cooler. Round out your system with the Type-S sub, and V-Power amplifier for the best match in performance.

  • Gasket
    Design: Concealed Mount Gasket System
  • Tinsel Leads
    Design: Reinforced Layer Spider Integration (Patent #6,810,988)
  • Terminals
    Design: Heavy Duty 8 gauge Push, Banana Plug Jumper
    Layout: One Side
  • Frame
    Design: Perimeter Vented (Patent Pending)
    Material: Custom High Strength Steel
  • Motor Structure
    Configuration: Airflow Optimized Extended/Vented Pole
    Pole Geometry: Compound Radius Curve (Patent #6,639,993)
  • Voice Coil
    Design: 4-Layer Dual Coil
    Material: 180°C High Temp Wire on Glass Fiber (TIL) Former
  • Spider
    Design: Progressive
    Material: Nomex®
  • Surround
    Design: High Excursion Tapered Half-Roll
    Material: Injected Molded Santoprene®
  • Diaphram
    Design: 1-Piece Parabolic
    Material: Glass Fiber with Kevlar Reinforced Pulp Fiber
  • General
    Frequency Response: 27Hz - 700Hz
  • Dimensions
    Added Volume: 0.082 cu. ft. (Reverse Mount, Magnet Out)
    Displacement: 0.084 cu. ft. (Front Mount)
    Mounting Diameter: 289 mm (11.4")
    Mounting Depth: 127 mm(5")
  • Power Handling
    Peak Power Handling: 900 Watts
    RMS Power Handling: 300 Watts
    Power Range: 50 - 300 Watts

Alpine Subwoofers
ALPINE - SWS-1023D and SWS-1043D
SWS-1023D: 10" Type-S Series Subwoofer (2Ω+2Ω)
SWS-1043D: 10" Type-S Series Subwoofer (4Ω+4Ω)

Bass for your Space.
Want great performance from a sub that won't take up that much room? The new Alpine Type-S subwoofers feature a shallow mounting depth design, so you can get tight accurate bass in smaller spaces. An advanced airflow system including a stamped steel basket design with leg venting cooling keeps the bass going while keeping your sub cooler. Round out your system with the Type-S sub, and V-Power amplifier for the best match in performance.

  • Gasket
    Design: Concealed Mount Gasket System
  • Tinsel Leads
    Design: Reinforced Layer Spider Integration (Patent #6,810,988)
  • Terminals
    Design: Heavy Duty 8 gauge Push, Banana Plug Jumper
    Layout: One Side
  • Frame
    Design: Perimeter Vented (Patent Pending)
    Material: Custom High Strength Steel
  • Motor Structure
    Configuration: Airflow Optimized Extended/Vented Pole
    Pole Geometry: Compound Radius Curve (Patent #6,639,993)
  • Voice Coil
    Design: 4-Layer Dual Coil
    Material: 180°C High Temp Wire on Glass Fiber (TIL) Former
  • Spider
    Design: Progressive
    Material: Nomex®
  • Surround
    Design: High Excursion Tapered Half-Roll
    Material: Injected Molded Santoprene®
  • Diaphram
    Design: 1-Piece Parabolic
    Material: Glass Fiber with Kevlar Reinforced Pulp Fiber
  • General
    Frequency Response: 30Hz - 700Hz
  • Dimensions
    Added Volume: 0.055 cu. ft. (Reverse Mount, Magnet Out)
    Displacement: 0.050 cu. ft. (Front Mount)
    Mounting Diameter: 244 mm (9.6")
    Mounting Depth: 110 mm (4.3")
  • Power Handling
    Peak Power Handling: 900 Watts
    RMS Power Handling: 300 Watts
    Power Range: 50 - 300 Watts

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