Eminence KAPPA 12 8ohm 12" 450watt Speaker




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***
99.3dB


Magnet Weight
80 oz.


Gap Height
62Hz - 4.2kHz


Voice Coil Diameter
0.37", 9.53mm




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 cu.ft.


Peak Diaphragm Displacement Volume (Vd)
166cc


Mechanical Compliance of Suspension (Cms)
0.3mm/N


BL Product (BL)
15.2 T-M


Diaphragm 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 Volume


Sealed
N/a


Vented
34-62 liters / 1.2-2.2 cu.ft.


Driver Volume Displaced
155.5 cu.in. / 2.55 liters


Overall Diameter
12.26", 311.4mm


Baffle Hole Diameter
11\\\\\\\", 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 kgs




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


Dust Cap Composition
Solid composition paper dust cap