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Eminence KAPPA PRO-12A 12" / 8 ohms / 1000 Watts

High efficiency pro audio driver for vented mid-bass, and vented bass enclosures.

Specification

Nominal Basket Diameter

• 12", 305 mm

Nominal Impedance*

• 8 Ω

Power Rating Program Power

• 1000 W

Watts

• 500 W

Resonance

• 37 Hz

Usable Frequency Range

• 57 Hz - 2.8 kHz

Sensitivity*

• 97.1 dB

Magnet Weight

• 80 oz.

Gap Height

• 0.37", 9.5 mm

Voice Coil Diameter

• 3", 76 mm

Thiele & Small Parameters

Resonant Frequency (fs)

• 37 Hz

DC Resistance (Re)

• 5.46 Ω

Coil Inductance (Le)

• 1.22m H

Mechanical Q (Qms)

• 6.93

Electromagnetic Q (Qes)

• 0.25

Total Q (Qts)

• 0.24

Compliance Equivalent Volume (Vas)

• 121 liters / 4.27 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

• 249 cc

Mechanical Compliance of Suspension (Cms)

• 0.32 mm/N

BL Product (BL)

• 17.3 T-M

Diaphragm Mass Inc. Airload (MMs)

• 59 grams

Efficiency Bandwidth Product (EBP)

• 148

Maximum Linear Excursion (Xmax)

• 4.8 mm

Surface Area of Cone (Sd)

• 519.5 cm2

Maximum Mechanical Limit (Xlim)

• 14.8 mm

Mounting Information Recommended Enclosure Volume Sealed

• N/a

Vented

• 17-34 liters / 0.6-1.2 cu.ft.

Driver Volume Displaced

• 0.09 cu.ft. / 2.55 liters

Overall Diameter

• 12.38", 314.5 mm

Baffle Hole Diameter

• 11.07", 281.2 mm

Front Sealing Gasket

• Yes

Rear Sealing Gasket

• Yes

Mounting Holes Diameter

• 0.27", 6.9mm

Mounting Holes B.C.D.

• 11.69", 296.9mm

Depth

• 6.22", 158 mm

Net Weight

• 16.6 lbs, 7.53 kg

Shipping Weight

• 18.4 lbs, 8.35 kgs

Materials of Construction Coil Construction

• Copper voice coil

Coil Former

• Polyimide former

Magnet Composition

• Ferrite magnet

Core Details

• Vented core

Basket Materials

• Die-cast aluminum basket

Cone Composition

• Paper cone

Cone Edge Composition

• Cloth cone edge

Dust Cap Composition

• Solid composition paper dust cap