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Alpine X-W12D4 12′′ X-Series Subwoofer (4Ω + 4Ω)


List price: $599.00  

$495.00

You save: $104.00 (17%)
x-w12d4
In stock
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Diaphram

  • Material: Kevlar Rohacell® Layered Composite
  • Design: 1-Piece Parabolic with Vented Force Transfer Assembly

Surround

  • Material: Injection Molded Santoprene®
  • Design: High Amplitude Multi-Roll (HAMR Surround)

Spider

  • Material: Nomex®
  • Design: Dual Progressive with Integrated Tinsel Leads

Voice Coil

  • Material: Aluminum Former
  • Design: 2.6″ (65.5mm) Voice Coil

Motor Structure

  • Pole Geometry: Airflow Optimized Dual Flare Pole Vent
  • Configuration: Triple-Stacked High Power Strontium Ferrite Magnets

Frame

  • Material: Cast Aluminum

Terminals

  • Layout: One Side
  • Design: 8mm² Insert Terminals with Series/Parallel Jumper Plug

Tinsel Leads

  • Design: Reinforced Layer Spider Integration

Gasket

  • Design: Grille/Trim Ring Twist-Lock System

Power Handling

  • Power Range: 650W-900W
  • RMS Power Handling: 900W
  • Peak Power Handling: 2700W

Dimensions

  • Mounting Depth: 7-1/4′′ (184mm)
  • Mounting Diameter: 11-1/16′′ (281mm)

General

  • Frequency Response: 22Hz-200Hz

 

Thiele-Small Parameters

Sensitivity (1W/1m) – SPL

DC Resistance – Re

Inductance – Le

Free Air Resonance – Fs

Equivalent Stiffness – Vas

Mechanical Q – Qms

Electrical Q – Qes

Total Q – Qts

Cone Area – Sd

Linear Excursion – Xmax (1-way)

Mechanical Travel – Xmech (P-P)