2 X Quantum Audio QW3000/12D4 12 inch 1000-3000 Watts 4 Ohm Dvc Subwoofer
2 X Quantum Audio QW3000/12D4 12 inch 1000-3000 Watts 4 Ohm Dvc Subwoofer Our engineers have designed this subwoofer from the ground up to shake the ground up. The foam surround along with the die-cast aluminum vented basket allow for maximum excursion while the protective magnet cover gives the woofer a rugged yet stylish appearance. 2.5″ / 63.5mm 4 Layer Aluminum 4 Ohm DVC Heavy Gauge Stamped Steel Basket High Temperature Voice Coil QEMT Aluminum Voice Coil Former High-Excursion Foam Surround Compressed Paper Cone Injection Molded PP Dust Cap Proprietary Full Round PVC Gasket Heavy Gauge Spring Terminal Outside Diameter (A) 12.44″ (316mm) Cutout Diameter (B) 10.82″ (275mm) Mounting Depth (C) 6.49″ (165mm) GENERAL SPECIFICATIONS Structure 12″ (30.8cm) Woofer Dynamic Power Handling 3000 Watts Nominal Power Handling 1000 Watts Impedance Dual 4Ω Voice Coil PARAMETERS Resonant Frequency (fs) 37.364Hz D.C. Voice Coil Resistance (Re) 6.8Ω Mechanical Quality Factor (Qms) 5.54 Electrical Quality Factor (Qes) 0.94 Total Quality Factor (Qts) 0.81 Mass of Diaphragm/Coil (Mms) 226.28 g Force Factor (Bl) 19.5 Sound Pressure Level (SPL) 87.5dB