Recommended for professional audio in a vented mid-bass or bass enclosure. Also suitable for bass guitar.
SPECIFICATION Nominal Basket Diameter 15", 381 mm Nominal Impedance 4 ohms Power Rating Watts 450 W / Music Program 900 W Resonance 33 Hz Usable Frequency Range 52 Hz - 2.3 kHz Sensitivity 100.5 Magnet Weight 80 oz. Gap Height 0.375", 9.53 mm Voice Coil Diameter 3", 76.2 mm
THIELE & Small Parameters Resonant Frequency (fs) 33 Hz DC Resistance (Re) 5.22 Coil Inductance (Le) 1.05 mH Mechanical Q (Qms) 8.90 Electromagnetic Q (Qes) 0.33 Total Q (Qts) 0.32 Compliance Equivalent Volume (Vas) 321.3 liters / 11.35 cu. ft. Peak Diaphragm Displacement Volume (Vd) 343 cc Mechanical Compliance of Suspension (Cms) 0.31 mm/N BL Product (BL) 15.7 T-M Diaphragm Mass inc. Airload (Mms) 76 grams Efficiency Bandwidth Product (EBP) 98 Maximum Linear Excursion (Xmax) 4.0 mm Surface Area of Cone (Sd) 856.3 cm² Maximum Mechanical Limit (Xlim) 11.6 mm
MOUNTING Information Recommended Enclosure Volume Sealed N/A Vented 45-113 liters/1.6-4 cu.ft. Overall Diameter 15.16", 384.9 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 6.13", 156 mm
MATERIALS of Construction Copper voice coil Polyimide former Ferrite magnet Vented core Pressed steel basket Paper Cone Cloth cone edge Solid composition paper dust cap