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12" TW3 Thin-line Subwoofer 400W Dual 8 Ohm

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£419.99 £349.99
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TW3 12-inch Subwoofer (400 W, dual 8 Ω voice coils)

Dual 8Ω voice coils permit deploying the L7 as a 4Ω or 16Ω driver.

Building on the core technology of our TW5 thin-line subwoofers, the TW3's deliver a powerful combination of shallow mounting depth and excursion capability. In fact, they are capable of greater excursion than the W3v3's.

To allow this remarkable feat to be achieved, JL Audio's patented thin-line woofer technology compresses the architecture of the TW3's using a “concentric tube” structure built into the injection-moulded cone body. This structure supports the voice coil and a full annular spider, while permitting the placement of the large motor structure further forward in the speaker than with conventional designs.

TW3's are optimized for small enclosures and offer our tab-ear mounting design to maximize cone area within their mounting footprints. We know you're going to love working with these amazing Subwoofers.

Deep, powerful and accurate JL Audio bass is now possible in more applications than ever.

  • Very shallow mounting depth (3.25 / 3.50 Inches)
  • No pole vent: permits mounting close to rear wall of enclosure
  • Very small sealed enclosure volume requirements
  • Very long linear excursion capability (0.60 In / 15.2 mm, one-way)
  • DMA-optimized motor designs
  • “concentric tube” architecture
  • Patented “floating cone attach method” technology
  • Cast alloy frame
  • Injection moulded, mica-filled polypropylene cone
  • Rubber surround
  • Aluminium-alloy dust cap and rear cap with JL Audio logo
  • Precision-built in USA at JL Audio's Miramar, Florida factory with global components
More Information
Speaker Size (in)12"
Impedance (Ohms)Dual 8
Voice CoilsDual
RMS Power (W)300
Peak Power (W)400
Sensitivity (dB @ 1W/1m)84.23
Frequency Response (Hz)N/A
FeaturesDMA Optimised Motor
Engineered Lead-Wire System
Tab-Ear Frame Design
Concentric Tube Suspension
Constructed In USA
Height (cm)33.5
Width (cm)33.5
Depth (cm)11.8
Protrusion (cm)2.9
Mounting Depth (cm)8.9
Mounting Hole Diameter (cm)29.5
GrillsJLSGR-12TW3 (Sold Separately)
Recommended Minimum Power Handling (W)200
Recommended Maximum Power Handling (W)400
Recommended Box Volume Sealed (Litres)28.3
Recommended Box Volume Ported (Litres)36.8
BrandJL Audio
Box Quantity4

Every subwoofer requires a certain amount of power (W) to play to its full potential. Please see below information on the recommended amplifier power for this specific subwoofer. Remember that this is power at the working impedance (Ω). If you require assistance on matching a subwoofer to an amplifier then please contact one of our recommended installers.

12TW3 Recommended Amplifier Power

All of our items are backed by our enjoyment guarantee, if you aren’t 100% happy with your purchase then we will accept it back for a refund or exchange.

If the item is faulty or different from advertised then the shipping is on us. However, if the item is no longer required or just ordered incorrectly then we can refund you for the item, but you will be charged for getting it back to us.

For a full explanation of the returns process please see our Returns Policy.

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