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ARC AUDIO SW 12D4 (2X4 OHM)

Varenr.: sw 12d4
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    Everyone knows that space is at an absolute premium in today’s cars and trucks. The new ARC Audio SW-Series shallow-mount subwoofers offer a balance of great sound quality and output from an incredibly compact package to satisfy the needs of the most demanding of music lovers.

    The SW subwoofers requires only 2-5/8 inches of mounting depth while handling 400 watts RMS and 800 watts peak power. Most impressively, the 15.5mm linear one-way excursion design delivers low-frequency impact and output levels not typically associated with shallow-mount designs.

    The subwoofer features an N42UH rare earth magnet in the motor assembly. N42UH is a Neodynium Iron Boron (NdFeB) alloy that can handle temperatures over 350 degrees. This thermal capacity ensures the subwoofer will sound great when pushed hard without the fear of reduced efficiency.

    The front-motor design affords three significant performance and application benefits. First, having the motor in front of the cone reduces the mounting depth requirements of the subwoofer. The SW12 requires a mere 2-5/8” of depth and without a vented pole piece, can be placed against the back of the enclosure. On the front side, the motor on the SW12 is only 2 ¼” above the mounting surface giving it an overall design depth of less than 5”.

    Secondly, having the motor outside of the enclosure improves the thermal power handling capabilities of the driver. Instead of the motor being buried inside the enclosure, it’s exposed to cool air to improve convective cooling. As such, you can play the SW-Series subwoofers louder and for longer periods with less fear of damage or power compression

    Finally, the voice coil and motor occupy space that would normally be wasted by the concave shape of the cone. The motor also serves to protect the driver, allowing you to push a seat-back right up against the subwoofer with no fear of damage.

    The cone is made from a cellulose fiber that has been pressed and treated with a hydrophobic coating to ensure high-humidity environments don’t affect the performance of the system. The cone is affixed to the cast-aluminum basket with rubber surround on the top and a woven poly-cotton and Nomex spider. To increase the thermal powering, the SW12 features a 3” CCAW voice coil which is wrapped around an aluminum former to help wick away heat. The cone, former and spider, are all attached to a custom aluminum Triple-Joint reinforcement plate that further enhances the driver’s reliability and performance.

    SW Subwoofers are designed to be used almost exclusively in front-loaded application like down-firing under-seat enclosures, or against seatbacks. Unlike some products in this category, the SW subwoofers love to deliver levels of effortless low-frequency output commonly associated with conventional designs.

    Take your mobile entertainment system to an entirely new level with the ARC Audio SW-Series subwoofers. Their shallow mounting requirements, massive excursion capabilities and impressive power handling ensure music lovers will be impressed by every note.

    #### NOTE: The SW Series subwoofer is designed specifically for front loaded applications. Examples of these applications would include down-fire or underseat application, firing into rear seats or other front loaded style applications. These subs, unlike other front motor designs are equipped with a hi-excursion motor design with a 3" voice coil. For optimum performance and enjoyment it is not recommended to use these subwoofers in an open box application within the main cabin of the vehicle if it is not on one of these front loaded applications.

    Ultra-Shallow Basket Design
    High-Pressure Cast CNC Cut Aluminum Basket
    Internal Neodymium U-Cup Style Motor Design
    Precision Wound 3" Former HD-CCAW Voice Coil
    High-Quality N42UH Hi-Temp Neodymium Motor Design
    Heavy Duty Dual Woven Poly Cotton And Nomex Spider
    1-Piece Front Surround Mounting Ring Assembly (Structural)
    Integrated Thermal Motor Design
    Cellulose Fiber, Composite Treated Reinforced Hydrophobic Cone Design
    Linear Audiophile SQ/SPL Design Specifically For The Car Audio Environment
    Hi-Retention Aluminum Spider Captioning Ring Improves Linearity and Increases Long-Term Performance
    Structural Linear Cone Design Prevents Cone Breakup And Improves Performance
    Aluminum Voice Coil / Cone Combo Joint Improves Overall Structural Integrity And Improves Thermal Heat Removal From The VC While Improving Joint Reliability
    Mounting Depth 2.625"
    Cutout Diameter 11.0"
    Minimum Sealed enclosure - 21 L
    Optimum Sealed enclosure - 31 L
    SPL Sealed Enclosure - 24 L
    SW Series Subwoofer Manual
    Coming Soon
    Power Handing (Peak)
    800 Watts
    Power Handling (RMS)
    400 Watts
    Impedance
    Dual 2 Ohm or 4 Ohm
    Minimum Sealed Enclosure
    0.75 cu ft
    Optimum Sealed Enclosure
    0.85 cu ft
    Maximum Sealed Enclosure
    1.1 cu ft
    Cutout Diameter
    11.0"
    Mounting Depth
    2.625"
    f(s)
    26.92Hz
    Q(ms)
    2.75
    Q(ts)
    .4255
    Q(es)
    .503
    R(e)
    7.255 ohms
    V(as)
    68.319 Liters (2.409 cuft)
    SPL
    87.11dB
    Piston Diameter (SD)
    258.6 mm
    Le
    1.489 mH at 10kHz