Eminence LAB12C 12" 800w 4 Ohm Subwoofer

This item is brand-new, factory sealed.

This table charts the specifications for the LAB12C speaker
* Nominal Basket Diameter: 12-in , 305 mm.
* Nominal Impedance: 4 Ohms.
* Power Rating:
* Watts: 500 W.
* Music Program: 1000 W.
* Resonance: 23 Hz.
* Usable Frequency Range: 25 Hz - 0.1 kHz.
* Sensitivity: 88.9 dB.
* Magnet Weight: 160 oz..
* Gap Height: 0.375-in , 9.5 mm.
* Voice Coil Diameter: 2.5-in , 64 mm.
* Thiele & Small Parameters.
* Resonant Frequency (fs): 23 Hz.
* DC Resistance (Re): 3.11 Ohms.
* Coil Inductance (Le): 1.09m H.
* Mechanical Q (Qms): 11.7.
* Electromagnetic Q (Qes): 0.34.
* Total Q (Qts): 0.33.
* Compliance Equivalent Volume (Vas): 128.31 liters / 4.53 cu.ft..
* Peak Diaphragm Displacement Volume (Vd): 659 cc.
* Mechanical Compliance of Suspension (Cms): 0.36 mm/N.
* BL Product (BL): 13.36 T-M.
* Diaphragm Mass Inc. Airload (MMs): 136 grams.
* Efficiency Bandwidth Product (EBP): 67.
* Maximum Linear Excursion (Xmax): 13 mm.
* Surface Area of Cone (Sd): 506.7 cm2.
* Maximum Mechanical Limit (Xlim): 22 mm.
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Recommended Enclosure Volume;
* Sealed: 28.32-118.93 liters / 1-4.2 cu.ft..
* Vented: 39.64-141.59 liters / 1.4-5 cu.ft..
* Driver Volume Displaced: 0.109 cu.ft. / 3.09 liters.
* Overall Diameter: 12.32-in , 312.9 mm.
* Baffle Hole Diameter: 10.98-in , 278.9 mm.
* Front Sealing Gasket: Yes.
* Rear Sealing Gasket: N/A.
* Mounting Holes Diameter: 0.26-in , 6.6mm.
* Mounting Holes B.C.D.: 11.77-in , 299mm.
* Depth: 6.44-in , 163.6 mm.
* Net Weight: 22 lbs, 9.98 kg.
* Shipping Weight: 23.8 lbs, 10.8 kgs.
* Materials of Construction.
* Coil Construction: Copper voice coil.
* Coil Former: Polyimide former.
* Magnet Composition: Double stacked 80 oz. ferrite magnets.
* Core Details: Vented & extended core.
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* Basket Materials: 12-spoke die-cast aluminum basket.
* Cone Composition: Kevlar-reinforced paper cone.
* Cone Edge Composition: Foam cone edge.
* Dust Cap Composition: Dual inverted dust caps.