Eminence Beta 15A, 15" Lautsprecher 300Watt/8Ohm, 45hz - 3,7kHz

Recommended for professional audio as a woofer in sealed and vented enclosures.

SPECIFICATION Nominal Basket Diameter 15", 381 mm Nominal Impedance 8 ohms Power Rating Watts 300 W / Music Program 600 W Resonance 35 Hz Usable Frequency Range 45 Hz - 3.7 kHz Sensitivity 98.2 Magnet Weight 34 oz. Gap Height 0.312", 7.92 mm Voice Coil Diameter 2", 50.8 mm

THIELE & Small Parameters Resonant Frequency (fs) 35 Hz DC Resistance (Re) 6.32 Coil Inductance (Le) 1.10 mH Mechanical Q (Qms) 8.10 Electromagnetic Q (Qes) 0.63 Total Q (Qts) 0.58 Compliance Equivalent Volume (Vas) 334.6 liters / 11.8 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) 4.0 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. Overall Diameter 15.15", 384.8 mm Baffle Hole Diameter 13.77", 349.6 mm Front Sealing Gasket fitted as standard Rear Sealing Gasket fitted as standard Mounting Holes Diameter 0.25", 6.4 mm Mounting Holes B.C.D. 14.56", 369.9 mm Depth 6.05", 154 mm

MATERIALS of Construction Copper voice coil Polyimide former Ferrite magnet Vented and extended core Pressed steel basket Paper Cone Cloth cone edge Solid composition paper dust cap