JL Audio 12W0v3-4 : 12" Subwoofer Driver (300 W, 4 Ω)
|Continuous Power Handling (RMS)||300 W|
|Recommended Amplifier Power (RMS)||75 - 300 W|
|Nominal Impedance (Znom)||4 Ω|
The 12W0v3 is a rugged performer with excellent efficiency, excursion capability and linearity. Its overall performance envelope that puts it right at the top of its price class. It features a beefy 2 in. diameter voice coil and JL's patented Elevated Frame Cooling design for enhanced power handling and reliability.
The 12W0v3 is best used with amplifier power in the 75W - 300W range and is optimized to operate in a moderately sized 1.375 cu. ft. (38.9 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)||12.52 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)||5.05 in / 128 mm|
|Mounting Depth (E)||5.40 in / 137 mm|
|Driver Displacement||0.048 cu ft / 1.36 L|
|Net Weight||8.11 lb / 3.68 kg|
|Free Air Resonance (Fs)||28.43 Hz|
|Electrical “Q” (Qes)||0.715|
|Mechanical “Q” (Qms)||10.709|
|Total Speaker “Q” (Qts)||0.67|
|Equivalent Compliance (Vas)||2.530 cu ft / 71.64 L|
|One-Way Linear Excursion (Xmax)*||0.45 in / 11.4 mm|
|Reference Efficiency (no)||0.22%|
|Efficiency (1 W / 1 m)**||85.64 dB SPL|
|Effective Piston Area (Sd)||74.509 sq in / 0.0481 sq m|
|DC Resistance (Re)||4.280 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”.