JL Audio 12" 12W1v2-4

Free Air Resonance (Fs): 23.68 Hz
Electrical “Q” (Qes): 0.443
Mechanical “Q” (Qms): 6.465
Total Speaker “Q” (Qts): 0.414
Equivalent Compliance (Vas): 3.739 cu. ft. / 105.81 liters
One-Way, Linear Excursion (Xmax)*: 0.375 in. / 9.5 mm
Reference Efficiency (no): 0.304%
Efficiency (1W/1m)**: 86.81 dB SPL
Effective Piston Area (Sd): 81.392 sq. in. / 0.0525 sq. m.
DC Resistance (Re): 4.101 ohm
Nominal Impedance (Znom): 4 ohm
Thermal Power Handling (Pt): 300W
Driver Displacement: 0.035 cu. ft. / 0.99 liters
Net Weight: 8.61 lbs. / 3.90 kg
* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** Efficiency (1W/1m) 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”.

12W1v2 DRIVER PHYSICAL SPECIFICATIONS  


Mounting Image
Nominal
Diameter
Overall
Diameter (A)
Mounting Hole
Diameter (B)
Bolt Hole
Circle (C)
Magnet
Diameter (D)
Mounting
Depth (E)
12.0 in. / 300 mm 12.5 in. / 317.5 mm 11.0625 in. / 281 mm 11.7 in. / 297 mm 4.75 in. / 121 mm 5.09 in. / 130 mm
 
Power Range

RRP: £109.99
Our Price: £99.99