JL Audio 12-inch Subwoofer Driver, 4 Ω 12W1v3-4
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Literature
W1v3 12-inch Subwoofer Driver (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 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.
| Specification | |
|---|---|
| Continuous Power Handling (RMS) | 300 W |
| Recommended Amplifier Power (RMS) | 75 - 300 W |
| Nominal Impedance (Znom) | 4 Ω |
| I/O SOCKET | |
| 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 |
| Parameters | |
| 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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