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W1v3 12-inch Subwoofer (300 W, 4 Ω)
The 12W1v3 is a lightweight 12-inch driver with excellent performance capabilities at moderate power levels. It features moderate mounting depth with no pole-vent, so the rear of the motor structure can be placed directly against an enclosure boundary. Excellent excursion capability and linearity allow it to reproduce sub-bass with shocking extension and quality. Several of JL Audio's proprietary technologies enhance its performance and reliability.
The 12W1v3-4 is best used with amplifier power in the 75W - 300W range and is optimized to operate in a compact 1.10 cu. ft. (31.5 l) sealed enclosure. Detailed enclosure recommendations can be found in the "Specifications" tab.
| Continuous Power Handling (RMS) | 300 W |
| Recommended Amplifier Power (RMS) | 75 - 300 W |
| Nominal Impedance (Znom) | 4 Ω |
| Nominal Diameter | 12.0 in / 300 mm |
| Overall Diameter (A) | 12.5 in / 318 mm |
| Mounting Hole Diameter (B) | 11.0625 in / 281 mm |
| Bolt Hole Circle Diameter (C) | 11.7 in / 297 mm |
| Motor Outer Diameter (D) | 5.25 in / 133 mm |
| Mounting Depth (E) | 5.41 in / 137 mm |
| Driver Displacement | 0.052 cu ft / 1.47 L |
| Net Weight | 12.2 lb / 5.5 kg |
| Free Air Resonance (Fs) | 26.21 Hz |
| Electrical “Q” (Qes) | 0.535 |
| Mechanical “Q” (Qms) | 8.2 |
| Total Speaker “Q” (Qts) | 0.502 |
| Equivalent Compliance (Vas) | 2.706 cu ft / 76.63 L |
| One-Way Linear Excursion (Xmax)* | 0.45 in / 11 mm |
| Reference Efficiency (no) | 0.25% |
| Efficiency (1 W / 1 m)** | 86.1 dB SPL |
| Effective Piston Area (Sd) | 81.426 sq in / 0.0525 sq m |
| DC Resistance (Re) | 3.915 Ω |
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* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied. |
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| Wall Thickness | 0.75 in / 19 mm |
| Front Baffle Thickness | 0.75 in / 19 mm |
| Volume (net int.) | 1.10 cu ft / 31.5 L |
| External Width (W) | 16 in / 406 mm |
| External Height (H) | 16 in / 406 mm |
| External Depth (D) | 11 in / 279 mm |
| F3 | 39.63 Hz |
| Fc | 48.75 Hz |
| Qtc | 0.9338 |
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Enclosure Notes Safety Notice 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. If an enclosure is not firmly attached, it can become a projectile in a collision. This is particularly important in a hatchback, station wagon, sports utility vehicle, or van. |
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| Wall Thickness | 0.75 in / 19 mm |
| Front Baffle Thickness | 0.75 in / 19 mm |
| Volume (net int.) | 1.6 cu ft / 45.3 L |
| External Width (W) | 25 in / 635 mm |
| External Height (H) | 15.5 in / 394 mm |
| External Depth (D) | 13 in / 330 mm |
| Internal Slot Port Width (SW) | 1.5 in / 38 mm |
| Internal Slot Port Height (SH) | 14 in / 356 mm |
| Internal Slot Port Length (SL) | 30.75 in / 781 mm |
| Port Extension Length (EL) | 17 in / 432 mm |
| Tuning Frequency (Fb) | 31.79 Hz |
| F3 | 31.41 Hz |
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Safety Notice 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. If an enclosure is not firmly attached, it can become a projectile in a collision. This is particularly important in a hatchback, station wagon, sports utility vehicle, or van. |
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