High efficiency pro audio driver for
vented mid-bass, and vented bass
enclosures.
SPECIFICATION :
Nominal Basket Diameter 12" , 305 mm
Nominal Impedance* 8 ©
Power Rating* *
Watts 500 W
Music Program 1000 W
Resonance 37 Hz
Usable Frequency Range 57 Hz - 2.8 kHz
Sensitivity* * * 97.1 dB
Magnet Weight 80 oz.
Gap Height 0.375" , 9.5 mm
Voice Coil Diameter 3" , 76 mm
THIELE & SMALL PARAMETERS :
Resonant Frequency ( fs) 37 Hz
DC Resistance ( Re) 5.46 ©
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
EMINENCE KAPPA PRO 12A
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