*We do not stock this woofer at our store, but we can have it dropped shipped to your door from Eminence's warehouse.
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KAPPA-12A
SPECIFICATION
Nominal Basket Diameter 12", 304.8mm
Nominal Impedance* 8 ohms
Power Rating
Watts 450W
Music Program 900W
Resonance 45Hz
Usable Frequency Range 62Hz-4.2kHz
Sensitivity*** 99.3
Magnet Weight 80 oz.
Gap Height 0.375", 9.53mm
Voice Coil Diameter 3", 76.2mm

THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 45Hz
DC Resistance (Re) 5.41
Coil Inductance (Le) 0.77mH
Mechanical Q (Qms) 7.76
Electromagnetic Q (Qes) 0.28
Total Q (Qts) 0.27
Compliance Equivalent Volume (Vas) 112.1 liters / 4.0 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 166cc
Mechanical Compliance of Suspension (Cms) 0.30mm/N
BL Product (BL) 15.2 T-M
Diaphram Mass inc. Airload (Mms) 42 grams
Efficiency Bandwidth Product (EBP) 161
Maximum Linear Excursion (Xmax) 3.2mm
Surface Area of Cone (Sd) 519.5 cm2
Maximum Mechanical Limit (Xlim) 11.5mm

MOUNTING INFORMATION
Recommended Enclosure
Sealed N/A
Vented 34-62 liters/1.2-2.2 cu.ft.
Overall Diameter 12.26", 311.4mm
Baffle Hole Diameter 11.0", 279.5mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket Fitted as standard
Mounting Holes Diameter 0.25", 6.4mm
Mounting Holes B.C. D. 11.71", 297.5mm
Depth 5.63", 143mm
Net Weight 14.9 lbs., 6.8 kg
Shipping Weight 17.9 lbs., 8.2 kg

MATERIALS OF CONSTRUCTION
Coil Construction Aluminum voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented core
Basket Materials Pressed steel basket
Cone Composition Paper Cone
Cone Edge Composition Cloth cone edge
Dustcap Composition Solid composition paper dust cap