Eminence Kappa Pro 12A

12" 500 Watt

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