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Eminence Kappa Pro-12A - 8 ohm 12" 500W Pro Audio Woofer

Eminence Kappa Pro-12A - 8 ohm 12" 500W Pro Audio Woofer
Ship weight
8.36 kg
Priced per:
8 ohm
CDN $221.97
Your price:
CDN $198.97
Out of stock
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High efficiency pro audio driver for vented mid-bass, and vented bass enclosures.

Speaker Detail
Nominal Basket Diameter12", 305 mm
Nominal Impedance*8 Ω
Power Rating*
Program Power1000 W
Watts500 W
Resonance37 Hz
Usable Frequency Range57 Hz - 2.8 kHz
Sensitivity*97.1 dB
Magnet Weight80 oz.
Gap Height0.37", 9.5 mm
Voice Coil Diameter3", 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 Displaced0.09 cu.ft. / 2.55 liters
Overall Diameter12.38", 314.5 mm
Baffle Hole Diameter11.07", 281.2 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.27", 6.9mm
Mounting Holes B.C.D.11.69", 296.9mm
Depth6.22", 158 mm
Net Weight16.6 lbs, 7.53 kg
Shipping Weight18.4 lbs, 8.35 kgs
Materials of Construction
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Magnet CompositionFerrite magnet
Core DetailsVented core
Basket MaterialsDie-cast aluminum basket
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Dust Cap CompositionSolid composition paper dust cap
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