12″ dia. W3 Poly Subwoofer 500W @ 4 Ohm

12″ dia. W3 Poly Subwoofer 500W @ 4 Ohm


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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.


Free Air Resonance (Fs): 26.72 Hz
Electrical Q (Qes): 0.472
Mechanical Q (Qms): 7.572
Total Speaker Q (Qts): 0.444
Equivalent Compliance (Vas): 2.844 cu. ft. / 80.54 litres
One-Way, Linear Excursion (Xmax)*: 0.510 in. / 13.0 mm
Reference Efficiency (no): 0.31%
Efficiency (1W/1m)**: 87.15 dB SPL
Effective Piston Area (Sd): 80.600 sq. in. / 0.0520 sq. m.
DC Resistance (Re): 3.563 ohm
Nominal Impedance (Znom): 4 ohm
Thermal Power Handling (Pt): 500W
Driver Displacement: 0.071 cu. ft. / 2.01 litres
Net Weight: 14.50 lbs. / 6.58 kg

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