EMINENCE BETA 15A KOMPONEN / COMPONENT SPEAKER

KOMPONEN / COMPONENT SPEAKER EMINENCE BETA 15A Recommended for professional audio as a woofer in sealed and vented enclosures. SPECIFICATION : Nominal Basket Diameter 15" , 381 mm Nominal Impedance* 8 © Power Rating* * Watts 300 W Music Program 600 W Resonance 35 Hz Usable Frequency Range 45 Hz - 3.7 kHz Sensitivity* * * 98.2 dB Magnet Weight 34 oz. Gap Height 0.312" , 7.9 mm Voice Coil Diameter 2" , 51 mm THIELE & SMALL PARAMETERS : Resonant Frequency ( fs) 35 Hz DC Resistance ( Re) 6.32 © Coil Inductance ( Le) 1.1m H Mechanical Q ( Qms) 8.1 Electromagnetic Q ( Qes) 0.63 Total Q ( Qts) 0.58 Compliance Equivalent Volume ( Vas) 334.6 liters / 11.82 cu.ft. Peak Diaphragm Displacement Volume ( Vd) 330 cc Mechanical Compliance of Suspension ( Cms) 0.35 mm/ N BL Product ( BL) 11.5 T-M Diaphragm Mass Inc. Airload ( MMs) 60 grams Efficiency Bandwidth Product ( EBP) 56 Maximum Linear Excursion ( Xmax) 4 mm Surface Area of Cone ( Sd) 823.7 cm2 Maximum Mechanical Limit ( Xlim) 11.6 mm MOUNTING INFORMATION : Recommended Enclosure Volume Sealed 45-62 liters / 1.6-2.2 cu.ft. Vented 99-175.6 liters / 3.5-6.2 cu.ft. Driver Volume Displaced 0.118 cu.ft. / 3.33 liters Overall Diameter 15.15" , 384.8 mm Baffle Hole Diameter 13.87" , 352.3 mm Front Sealing Gasket Yes Rear Sealing Gasket Yes Mounting Holes Diameter 0.25" , 6.4mm Mounting Holes B.C.D. 14.56" , 369.8mm Depth 6.05" , 153.7 mm Net Weight 8.8 lbs, 3.99 kg Shipping Weight 10.8 lbs, 4.9 kgs MATERIALS OF CONSTRUCTION : Coil Construction Copper voice coil Coil Former Polyimide former Magnet Composition Ferrite magnet Core Details Vented and extended core Basket Materials Pressed steel basket Cone Composition Paper cone Cone Edge Composition Cloth cone edge Dust Cap Composition Solid composition paper dust cap