Eminence KappaLite 3012LF - 8 ohm 12" 450W Neodymium Low Frequency Pro Audio Woofer

SKU: 555-030

Canadian Dollar Price:
Sale price$354.99
In stock (6 units)


Recommended for professional audio and bass in a vented enclosure.

Manufacturer Spec Sheet

Example Cabinet Designs

Speaker Detail
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

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