Alpine SWX-1243D Subwoofer

Alpine Updated: 2009-04-26 RSS
Alpine SWX-1243D Subwoofer

Extreme Performance.
If you are looking for a high-quality subwoofer with the most accurate and precise in-vehicle subwoofer performance, then look no further. Alpine's 2nd generation state-of-the-art Type-X Subwoofers are your answer. With the advanced motor structure and new sound of these subs, you will experience higher efficiency, lower heat creation while maintaining superb sound, so you can really crank up the bass.

New Aerospace Cone Material
The Type-X cone uses new advanced aerospace materials such as Kevlar-Rohacell® parabolic cone for outstanding strength and light weight. These lighter materials minimize moving mass for greater output efficiency than ever before.

HAMR Engineering
Type-X subs are built with HAMR engineering, Alpine's exclusive subwoofer solution for cooler operation, longer life and tight accurate bass. Type-X subs are the way go.


* Material: Kevlar Rohacell Layered Composite
* Design: 1-Piece Parabolic wtih Vented Force Transfer Assembly

* Material: Injection Molded Santoprene
* Design: High Amplitude Multi-Roll (Patent Pending)

* Material: Nomex
* Design: Mirrored Progressive

Voice Coil
* Material: 220C Aluminum Wire on Twin-Wall Aluminum Former (Patent #6,292,079)
* Design: 6-Layer 4I? Voice Coil with Inner/Outer Winding

Motor Structure
* Pole Geometry: Compound Radius Curve (Patent #6,639,993) with T-Drive
* Configuration: Billet Copper Shorting Sleeves with Heat Dissipation Plate (Patent Pending)

* Material: Cast Aluminum
* Design: Perimeter Vented Exo-Frame (Patent Pending) with Integrated Spider Landing (Patent #6,678,387)

* Layout: One Side
* Design: Insert Terminal Blocks with High Current Voice Coil Configuration Jumper

Tinsel Leads
* Design: Reinforced Layer Spider Integration (Patent #6,810,988)

* Design: Concealed Mount Design with Front/Rear Sealing Gaskets


Power Handling
* Power Range: 500 - 1000 Watts
* RMS Power Handling: 1000 Watts
* Peak Power Handling: 3000 Watts

* Mounting Depth: 219 mm (8.6'')
* Mounting Diameter: 277 mm (10.9'')
* Displacement: 0.194 cu. ft. (Front Mount)
* Added Volume: 0.079 cu. ft. (Reverse Mount, Magnet Out)

* Frequency Response: 24Hz - 200Hz

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