TW3 12-inch Subwoofer (400 W, dual 8 ohms voice coils)
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-molded 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.
Continuous Power Handling (RMS) | 400 W |
Recommended Amplifier Power (RMS) | 200 - 400 W |
Nominal Impedance (Znom) | Dual 8 ohms |
Nominal Diameter | 12 in / 300 mm |
Overall Diameter (A) | A1: 13.2 in / 335 mm A2: 12.5 in / 318 mm |
Mounting Hole Diameter (B) | 11.625 in / 295 mm |
Bolt Hole Circle Diameter (C) | 12.5 in / 318 mm |
Motor Outer Diameter (D) | 6.125 in / 156 mm |
Mounting Depth (E) | 3.5 in / 89 mm |
Driver Displacement | 0.029 cu ft / 0.82 L |
Net Weight | 14.9 lb / 6.8 kg |
Free Air Resonance (Fs) | 32.660 Hz |
Electrical “Q” (Qes) | 0.715 |
Mechanical “Q” (Qms) | 10.071 |
Total Speaker “Q” (Qts) | 0.668 |
Equivalent Compliance (Vas) | 1.205 cu ft / 34.12 L |
One-Way Linear Excursion (Xmax)* | 0.6 in / 15.2 mm |
Reference Efficiency (no) | |
Efficiency (1 W / 1 m)** | 84.23 dB SPL |
Effective Piston Area (Sd) | 83.517 sq in / 0.0539 sq m |
DC Resistance (Re)*** | 14.800 ohms |
Wall Thickness | 0.75 in / 19 mm |
Front Baffle Thickness | 0.75 in / 19 mm |
Volume (net int.) | 1.00 cu ft / 28.3 L |
External Width (W) | 25 in / 635 mm |
External Height (H) | 16.625 in / 422 mm |
External Depth (D) | 6.5 in / 165 mm |
F3 | 38.27 Hz |
Fc | 48.50 Hz |
Qtc | 0.9919 |
Wall Thickness | 0.75 in / 19 mm |
Front Baffle Thickness | 0.75 in / 19 mm |
Volume (net int.) | 1.3 cu ft / 36.8 L |
External Width (W) | 34 in / 864 mm |
External Height (H) | 17 in / 432 mm |
External Depth (D) | 6.75 in / 171 mm |
Internal Slot Port Width (SW) | 5.25 in / 133 mm |
Internal Slot Port Height (SH) | 2.375 in / 60 mm |
Internal Slot Port Length (SL) | 24 in / 610 mm |
Port Extension Length (PL) | 22.0625 in / 560 mm |
Tuning Frequency (Fb) | 32 Hz |
F3 | 29.79 Hz |
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