Eminence KappaLite 3012LF 12" 450W 8 Ohm Neodymium Woofer - High Power Low Frequency Speaker for Professional Audio, PA Systems & Live Performances
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Description
Recommended for professional audio and bass in a vented enclosure.
| Specification | |
| Nominal Basket Diameter | 12", 305 mm |
| Nominal Impedance* | 8 Ω |
| Power Rating* | |
| Program Power | 900 W |
| Watts | 450 W |
| Resonance | 37 Hz |
| Usable Frequency Range | 46 Hz - 2 kHz |
| Sensitivity* | 95.5 dB |
| Magnet Weight | 11 oz. |
| Gap Height | 0.36", 9.3 mm |
| Voice Coil Diameter | 3", 76 mm |
| Thiele & Small Parameters | |
| Resonant Frequency (fs) | 37 Hz |
| DC Resistance (Re) | 5.6 Ω |
| Coil Inductance (Le) | 0.98m H |
| Mechanical Q (Qms) | 6.94 |
| Electromagnetic Q (Qes) | 0.34 |
| Total Q (Qts) | 0.32 |
| Compliance Equivalent Volume (Vas) | 106.65 liters / 3.77 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 496 cc |
| Mechanical Compliance of Suspension (Cms) | 0.26 mm/N |
| BL Product (BL) | 16.7 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 72 grams |
| Efficiency Bandwidth Product (EBP) | 110 |
| Maximum Linear Excursion (Xmax) | 9.1 mm |
| Surface Area of Cone (Sd) | 545.4 cm2 |
| Maximum Mechanical Limit (Xlim) | 14.5 mm |
| Mounting Information | |
| Recommended Enclosure Volume | |
| Sealed | 23-59 liters / 0.8-2.1 cu.ft. |
| Vented | 37-85 liters / 1.3-3 cu.ft. |
| Driver Volume Displaced | 0.055 cu.ft. / 1.56 liters |
| Overall Diameter | 12.38", 314.5 mm |
| Baffle Hole Diameter | 11.06", 280.9 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.28", 7.1mm |
| Mounting Holes B.C.D. | 11.62", 295.2mm |
| Depth | 6", 152.4 mm |
| Net Weight | 7.6 lbs, 3.45 kg |
| Shipping Weight | 9.2 lbs, 4.17 kgs |
| Materials of Construction | |
| Coil Construction | Copper voice coil |
| Coil Former | Kapton former |
| Magnet Composition | Neodymium magnet |
| Core Details | Vented core |
| Basket Materials | Die-cast aluminum basket |
| Cone Composition | Treated paper cone |
| Cone Edge Composition | Sealed cloth Edge |
| Dust Cap Composition | Treated paper dust cap |
