Eminence Kappalite 3012LF 450W 12" Driver Lightweight Neodymium Driver
Recommended for professional audio and bass in a vented enclosure.
-
Nominal Basket Diameter 12", 305mm
- Nominal Impedance* 8 ohms
- Power Rating - Watts: 450W, Music Program: 900W
- Resonance 37Hz
- Usable Frequency Range 46Hz - 2kHz
- Sensitivity*** 95.5dB
- Magnet Weight 11 oz.
- Gap Height 0.36", 9.27mm
- Voice Coil Diameter 3", 76.2mm
Thiele & Small Parameters:-
Resonant Frequency (fs) 37.02Hz
- DC Resistance (Re) 5.6
- Coil Inductance (Le) 0.98mH
- Mechanical Q (Qms) 6.94
- Electromagnetic Q (Qes) 0.34
- Total Q (Qts) 0.32
- Compliance Equivalent Volume (Vas) 106.65 liters / 3.77 cu.ft.
- Peak Diaphragm Displacement Volume (Vd) 496cc
- Mechanical Compliance of Suspension (Cms) 0.26mm/N
- BL Product (BL) 16.7 T-M
- Diaphragm Mass Inc. Airload (MMs) 72.4 grams
- Efficiency Bandwidth Product (EBP) 109.7
- Maximum Linear Excursion (Xmax) 9.1mm
- Surface Area of Cone (Sd) 545.4 cm2
- Maximum Mechanical Limit (Xlim) 14.5mm
Mounting Information:
-
Recommended Enclosure Volume: Sealed 23-59 liters / 0.8-2.1 cu.ft., Vented 37-85 liters / 1.3-3 cu.ft.
- Driver Volume Displaced 95.3 cu.in. / 1.56 liters
- Overall Diameter 12.38", 314.45mm
- Baffle Hole Diameter 11.06", 280.9mm
- Front Sealing Gasket Fitted as standard
- Rear Sealing Gasket Fitted as standard
- Mounting Holes Diameter 0.28", 7.1mm
- Mounting Holes B.C.D. 11.62", 295.2mm
- Depth 6", 152.4mm
- Net Weight 7.6 lbs, 3.45 kg
- Shipping Weight 9.2 lbs, 4.17 kgs
Materials of Construction:
-
Coil Construction Copper voice coil
- Coil Former Kapton former
- Magnet Composition Neodymium magnet
- Core Details Vented core
- Basket Materials Die-cast aluminum basket
- Cone Composition Treated paper cone
- Cone Edge Composition Sealed cloth Edge
- Dust Cap Composition Treated paper dust cap
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