Eminence Kappalite KL3012CX-8 400W Coaxial Ready Woofer

Save $82.00
SKU: 550-015

Canadian Dollar Price:
Sale price$279.00 Regular price$361.00
In stock (3 units)


Compression Driver and Cross-over not included

High power coaxial woofer for bass guitar and pro audio applications. A very capable stand-alone driver, the Kappalite™ KL3012CX has a threaded pole-piece so that a screw-on, 1” exit high frequency driver can be attached to form a coaxial set up. A screen type dust cap allows the output of the high frequency driver to pass through the center. A small, 60 degree conical horn is attached to the top of the pole-piece beneath the dust cap.

Manufacturer Spec Sheet

Speaker Detail
Nominal Basket Diameter 12", 305 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power 800 W
Watts 400 W
Resonance 42 Hz
Usable Frequency Range 40 Hz - 3.2 kHz
Sensitivity* 95.4 dB
Magnet Weight 11 oz.
Gap Height 0.365", 9.27 mm
Voice Coil Diameter 3", 76 mm
Thiele & Small Parameters
Resonant Frequency (fs) 42 Hz
DC Resistance (Re) 5.7 Ω
Coil Inductance (Le) 0.61m H
Mechanical Q (Qms) 8.37
Electromagnetic Q (Qes) 0.31
Total Q (Qts) 0.3
Compliance Equivalent Volume (Vas) 111.5 liters / 3.94 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 407.41 cc
Mechanical Compliance of Suspension (Cms) 0.27 mm/N
BL Product (BL) 16.02 T-M
Diaphragm Mass Inc. Airload (MMs) 54 grams
Efficiency Bandwidth Product (EBP) 134
Maximum Linear Excursion (Xmax) 7.47 mm
Surface Area of Cone (Sd) 545.4 cm2
Maximum Mechanical Limit (Xlim) 17.84 mm
Mounting Information
Recommended Enclosure Volume
Sealed N/a
Vented Acceptable
Driver Volume Displaced 0.054 cu.ft. / 1.53 liters
Overall Diameter 12.38", 314.45 mm
Baffle Hole Diameter 11.06", 280.92 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.28", 7.112mm
Mounting Holes B.C.D. 11.62", 295.15mm
Depth 5.625", 142.875 mm
Net Weight 7.3 lbs, 3.31 kg
Shipping Weight 9.3 lbs, 4.22 kgs
Materials of Construction
Coil Construction Copper voice coil
Coil Former Fiberglass former
Magnet Composition Neodymium magnet
Core Details Tapered coax
Basket Materials Die-cast aluminum basket
Cone Composition Treated paper cone
Cone Edge Composition Sealed cloth edge
Dust Cap Composition Zurette dust cap

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