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Eminence Kappa 12 450W 12" Multi-purpose Mid-Bass Driver
Application Notes: For all high power mid-bass applications. Suitable for use as a woofer in 2-way systems or mid-range in three way systems.
Specification:
Thiele & Small Parameters:
Mounting Information:
Materials of Construction:
Click here to download full data sheet
- 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 0.37", 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 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 Aluminium 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
Click here to download full data sheet
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