JL Audio 12W3v3-4 : 12" Subwoofer Driver (500 W, 4 Ω)
|Continuous Power Handling (RMS)||500 W|
|Recommended Amplifier Power (RMS)||150 - 500 W|
|Nominal Impedance (Znom)||4 Ω|
This powerhouse 12-inch driver delivers potent performance and world-class sound quality in medium power applications. Several exclusive JL Audio technologies and proprietary assembly techniques are applied to the 12W3v3 to enhance linearity and reliability.
The 12W3v3-4 is best used with amplifier power in the 150W - 500W range and is optimized to operate in a compact 1.125 cu. ft. (31.8 l) sealed enclosure, or a 1.75 cu. ft. (49.6 l) ported enclosure. Detailed enclosure recommendations can be found in the "Specifications" tab.
|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)||5.5 in / 140 mm|
|Mounting Depth (E)||6.65 in / 169 mm|
|Driver Displacement||0.071 cu ft / 2.01 L|
|Net Weight||14.50 lb / 6.58 kg|
|Free Air Resonance (Fs)||27.97 Hz|
|Electrical “Q” (Qes)||0.534|
|Mechanical “Q” (Qms)||7.678|
|Total Speaker “Q” (Qts)||0.5|
|Equivalent Compliance (Vas)||2.806 cu ft / 79.47 L|
|One-Way Linear Excursion (Xmax)*||0.510 in / 13.0 mm|
|Reference Efficiency (no)||0.31%|
|Efficiency (1 W / 1 m)**||87.15 dB SPL|
|Effective Piston Area (Sd)||80.600 sq in / 0.0520 sq m|
|DC Resistance (Re)||1.658 Ω|
* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** Efficiency (1 W / 1 m) is not an accurate indicator of a subwoofer’s output capability and should not be used as a comparison to other subwoofers to determine which one is “louder”.