Details
Eminence American Standard Kappa-12A 12" Pro Audio Speaker, 450 Watts at 8 Ohms

Ideal for pro audio as a mid/hi or full range speaker in a vented enclosure
This speaker will handle up to 900W of power
Faithfully reproduces vocals, bass or anything between 62 Hz and 4. 2 kHz
Faithfully reproduces vocals, bass or anything between 62 Hz and 4.2 kHz
Power Rating Watts 450W Music Program 900W Resonance 45Hz Usable Frequency Range 62Hz-4.2kHz Sensitivity 99.3 Magnet Weight 80 ounce Gap Height 0.375", 9.53mm Voice Coil Diameter 3", 76.2mm THIELE and 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. Air load (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 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 Former Polyimide former Magnet Composition Ferrite magnet Core Details Vented core Basket Materials Pressed steel basket Cone Composition Paper Cone Edge Composition Cloth cone edge Dust cap Composition Solid composition paper dust cap