Alpine SWS-12D4 4 ohm subwoofer

Type-S 12″ 1500w (peak) Subwoofer

Description

Type-S subwoofers are more durable and powerful than ever, delivering accurate ground pounding bass. With a new sleek design, they look as great as they perform.

They are ready for virtually any system type desired, and have a shallow design which allows installation even in difficult locations.

Features

Power Handling
Power Range: 150W – 500 Watts RMS
Power Handling: 500W Peak
Power Handling: 1500W

Dimensions
Mounting Depth: 177mm (7”)
Mounting Diameter: 347mm (13.7”)
Displacement: 0.07 cu. Ft.
Added Volume: 0.15 cu. ft. (Reverse Mount, Magnet Out)

General
Frequency Response: 24Hz – 200Hz

Recommended Enclosure Sizes
Sealed enclosure: 25.5L
Vented enclosure: 53.8L

Specifications

Diaphram
Material: Oversized Hairline-Textured Mica Poly Dustcap w/ Kevlar Reinforced Pulp Paper Cone Body
Design: 2-Piece Parabolic

Surround
Material: Injected Molded SantopreneA?
Design: High Amplitude Multi-Roll H.A.M.R Surround Design (Patent Pending)

Spider
Material: ConexA?
Design: 10 Segment High-Roll Progressive Design

Voice Coil
Material: 180A?C High Temp Wire on Spiral-Cut Aluminum Bobbin
Design: 5-Layer Split-Winding Dual Voice Coil

Motor Structure
Pole Geometry: FEA Optimized Underhung Design w/ Dual-Sided Compound Radius Pole Geometry
Configuration: Dual Flared Design w/ Integrated Backplate Venting

Frame
Material: 18GA High Strength Steel
Design: Alpine-Designed 5 Leg Structure w/ Integrated Radial
Voice Coil Vents
Terminals
Layout: One Sided
Design: 8ga. Push Terminals

Tinsel Leads
Design: Reinforced-Layer Spider Integration Gasket
Design: Concealed Mount Gasket System

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