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12W3v3-2 / 12W3v3-4 / 12W3v3-8
Subwoofers
o w n e r ' s m a n u a l
Congratulations on your purchase of a JL Audio subwoofer component. Your JL Audio subwoofer is a
precision loudspeaker which has been engineered to produce the highest quality sub-bass performance
in your vehicle. Authorized JL Audio dealers have extensive technical information for many different
applications of your new speaker. They also have the knowledge, skills and tools to build a high-quality
enclosure that will maximize the performance of your speaker. We highly recommend that you have your
enclosure built by an authorized JL Audio dealer.
Inside you will find specifications and two recommended enclosures for your speaker; one is a sealed
enclosure, the other is a ported design. Both types of enclosures will give you excellent sound quality and
low-frequency extension. The sealed enclosure is a better choice if space is extremely tight, but the ported
enclosure will produce 3dB more output at the same power if you have the extra space to work with.
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Summary of Contents for JL Audio 12W3v3-2
- Page 1 ’ s m a n u a l Congratulations on your purchase of a JL Audio subwoofer component. Your JL Audio subwoofer is a precision loudspeaker which has been engineered to produce the highest quality sub-bass performance in your vehicle.
- Page 2 JL AUDIO 12W3v3-2 / 12W3v3-4 / 12W3v3-8 U.S. PATENTS: #5,734,734 #6,501,844 #6,219,431 #D480,709 Other U.S. & Foreign patents pending. 12W3v3 SUBWOOFER PHYSICAL SPECIFICATIONS 12.0 in. Nominal Diameter: 305 mm 12.5 in. Overall Diameter (A): 318 mm 11.0625 in. Mounting Hole Diameter (B): 281 mm 11.7 in.
- Page 3 Prolonged exposure to sound pressure levels in excess of 100dB can cause permanent hearing loss. This high-performance speaker can exceed this level. Please exercise restraint in its operation in order to preserve your ability to enjoy its fidelity. When installing a subwoofer in your vehicle, it is extremely important to secure the enclosure firmly. We recommend bolting the enclosure through the metal of the floorpan or the frame of the vehicle with large diameter washers for reinforcement.
- Page 4 JL Audio offers an extensive line of high-performance subwoofer drivers to fit a wide variety of enclosure and power applications. When designing systems with our drivers, it is very important to achieve a good power match between the subwoofer amplifier and the subwoofer driver's capabilities. The power levels listed in the above chart represent continuous (RMS) amplifier power per woofer and assume that the user will regularly make full use of that power without drastically overdriving the amplifier(s).
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