Alpine SWR-T12 Type-R Thin 12″ 4-ohm shallow-mount subwoofer
The Alpine SWR-T12 combines low-profile design with high power handling to pump out powerful bass in your vehicle’s hard-to-fit spaces. These shallow subs offer a mounting depth of 3.5 inches, but their cone excursion is nearly as long as that of their regular counterparts — you’ll hear deep, satisfying bass from the resulting massive air movement.
Big bass, not much space
The special spider design uses a series of adjacent rolls to get the cone moving without requiring a lot of space, combining with the advanced motor structure that reduces the sub’s profile while maintaining accuracy. A dynamic neodymium magnet structure allows the sub to handle more power than the typical shallow-mount sub.
Handles plenty of power
The Alpine SWR-T12 12″ thin subwoofer handles up to 600 watts RMS for tremendous thump. Its aluminum woofer cone works with the multi-roll Santoprene™ surround for performance that will really surprise you. The finned aluminum heat sink is directly coupled to the frame for rapid heat dissipation that’ll keep your sub running cool. Type-R Thin subs present ideal solutions for applications with limited available space, such as pickup trucks and compact cars.
To drive this single subwoofer, we recommend a mono amplifier rated between 450 and 900 watts RMS at 4 ohms.
More Mounting Options without Compromise
The Type-R Thin series have been engineered to offer more installation flexibility and application versatility to build the ideal sound system. At 3-1/4” deep for the 10” and 3-1/2” deep for the 12”, these subs provide deep bass performance where it normally couldn’t fit. And the 0.35 cubic foot (SWR-T10) and 0.6 cubic foot (SWR-T12) ideal enclosure sizes mean great bass performance can go just about anywhere in your vehicle.
Exclusive Alpine Technologies Ensure High Performance
The new Alpine SWR-T12 thin boasts no less than 7 unique Alpine technologies in its industry-first design. These innovations allow the Type-R Thin to have the output and power handling of the traditional Type-R series in less than half the depth. The new Type-R Thin design has the same DNA of the standard Type-Rs – demanding cleaner, deeper bass extension, faster, more accurate transients and even greater output capability.
Revolutionary Segmented Spider Design Provides the Excursion of a Tall Subwoofer
You can count on the Alpine SWR-T12 to deliver strong, impactful output like its predecessors. Most shallow-mount subwoofers have less output than traditional deep subwoofers, since their shallow frame limits how far their cones can move at high power levels. The Type-R Thin uses Alpine’s patent pending Pass-Through Gap Geometry, allowing the unique Thermoplastic Elastomer Segmented Spider to completely pass through the motor structure. This means the cone and voice coil assembly have the clearance needed for over 50mm of peak-to-peak excursion, allowing for massive output even in such a shallow frame.
Consistent, Reliable Performance out of the Box
There’s no need to play your sub for hours to break it in to achieve consistent performance. This sub is designed to deliver consistent performance right out of the box. Since this revolutionary design is made with an injection mold resin, rather than phenolic stiffened textile, this new spider requires no break in to achieve ideal performance. A Co-Molded Aluminum collar attaches the voice coil to the spider to ensure a reliable, high-strength design.
These two graphs are from the industry standard measuring system, Klippel which illustrates the excursion of the subwoofer both relative to the strength of the magnet system, and the stiffness and linearity of the suspension.
FEA Optimized = Maximum Linearity
Alpine’s Patented Dual-Sided Compound Radius Curve pole geometry ensures an ultra symmetrical magnetic field with optimized flux density to greatly reduce distortion, while further improving power handling and output.
More Excursion = More Output
The new FEA-Optimized Motor Structure together with the revolutionary High-Amplitude Multi- Roll (HAMR) Suspension Design gives the new Type-R Thin Subwoofers the highest X-max and SPL output in the category.
With a real-world, measured 15mm of X-max, allow the new Type-R Thin Subwoofers to deliver the best-in-class bass output, ultra-low distortion, and unparalleled sound quality.
Maximize Performance with Power
Match the right amount of power for one or two Type-R thins?
More VC Control in a Smaller, Lightweight Package
Type-R Thin’s 1.5lb neodymium magnet has 5x the magnetic strength than standard ferrite magnets used for most subwoofers. This powerful magnet combined with a massive 4” (100mm) voice coil delivers increased power handling and more accurate, louder, cleaner bass with even more control.
Lightweight Cone Materials Designed to Perform
Heavy-duty magnet assembly calls for heavy-duty cone materials. A specially engineered cone is reinforced by an injection-molded force transfer assembly, giving the cone structure outstanding stiffness while minimizing moving mass . A centering ring in the force transfer assembly is also engineered to lock the voice coil assembly in place. This makes the entire piston assembly extremely strong and linear.
Keep it Cool = Keep it Playing
Alpine’s Patented Radial Vented VC Heat Sink and Airflow Management System helps to minimize power compression and ensures reliable long playing time by actively pulling (or transferring) output-robbing heat away from the Voice Coil
The new cast aluminum frame is directly coupled to the machined aluminum shorting sleeve assembly. This allows the entire frame to act as a heat sink for sustained power handling, even in the most extreme of applications.
4 Unique Alpine Technologies
- 1. Radial Vented VC Heat Sink & Airflow Management System. Actively manages voice coil temperatures by forcing air directly across the heat sink system.
- FEA Optimized Dual-Sided Machined CRC Motor Structure. Creates a symmetrical magnetic field with evenly distributed flux density to greatly reduce distortion, while further improving power handling and output.
- FEA Optimized Injection Molded TPE Spider with Pass-Through Gap Design. Provides the mechanical clearance needed for over 50mm of peak-to-peak excursion, unleashing massive output potential from a small package
- FEA Optimized HAMR Surround. The High-Amplitude Multi Roll Surround Design allows for extreme excursions without sacrificing valuable cone area. FEA Optimized for linearity and made with injection-molded Santoprene ®, the HAMR surround is a key part of the suspension system that provides accurate, distortion-free control at extreme excursions.
Alpine SWR-T12 manual
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