JL Audio 12-inch Subwoofer Driver, 4 Ω 12W1v3-4

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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.

Continuous Power Handling (RMS)300 W
Recommended Amplifier Power (RMS)75 - 300 W
Nominal Impedance (Znom)4 Ω
Nominal Diameter12.0 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 Displacement0.052 cu ft / 1.47 L
Net Weight12.2 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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