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OWNER'S MANUAL
12TW3 Subwoofer Driver
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 12TW3-D4
- Page 1 OWNER’S MANUAL 12TW3 Subwoofer Driver 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.
- Page 2 JL AUDIO 12TW3-D4 / 12TW3-D8 12TW3 Dual Voice Coil Wiring Please Note: The TW3 is a dual voice coil driver. BOTH voice coils must be connected to the amplifier (in series or parallel) for the speaker to operate properly. To accomplish this, each TW3 features a pair of main input connection push-terminals for each voice coil.
- Page 3 All enclosure dimensions Port Wall Length: listed have already taken this into account. 12TW3-D4: 26 in (660 mm) 12TW3-D8: 22.0625 in (560 mm) • When using two subwoofers in a common (End correction accounted for) enclosure simply double the required volume.
- 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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