Eminence KAPPALITE 3012LF 12" Pro Audio / Bass Subwoofer 900W 8-Ohms

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

• 0.365", 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