EMINENCE KAPPA-12A American Standard Series
Recommended for professional audio as a mid/hi or full range in a vented enclosure.
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
- 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.
- 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
- Aluminum voice coil
- Polyimide former
- Ferrite magnet
- Vented core
- Pressed steel basket
- Paper Cone
- Cloth cone edge
- Solid composition paper dust cap
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