Specifications:
RMS Power Handling: 2000 Watts
Max Power Handling: 4000 Watts
Push Terminal Wire Gauge: 4 Ga
Nominal Impedance: Dual 1 Ohm
Voice Coil Diameter: 3"
Frequency Response: 10 Hz ~ 500 Hz
Sensitivity: 91.2 dB
Magnet Weight: 630 Oz
Displacement Volume: 7.4 L / 0.26 cu.ft
Thiele & Small Parameters
Free Air Resonance (Fs): 29.5 Hz
Resistance (Re): 1 Ohm
Mechanical Factor (Qms): 5.19
Electrical Factor (Qes): 0.44
Total Factor (Qts): 0.4
Equivalent Volume (Vas): 29.4 L
Compliance (Cms): 80 um/N
BL Factor (BL): 151.38
Moving Mass (Mms): 334.6 g
Excursion Max (Xmax):  20 mm
Measurements:
Overall Diameter: 12.24" / 311 mm
Mounting Diameter: 11.11" / 282 mm
Bolt Pattern Diameter: 11.57" / 294 mm
Mounting Depth: 8.85" / 225 mm
Overall Depth: 10.21" / 259 mm
Enclosure Suggestions:
Sealed:
30 L / 1.05 cu.ft
Qtc: 0.451
Ported Compact:
32 L /1.13 cu.ft
P: 4"
Length : 13.2" / 35 cm
FB: 42 Hz
Ported:
64 L / 2.25 cu.ft
Port Area: 18.6 sq.in
Length: 19.7"/ 50 cm
FB: 32 Hz