Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a vented satellite enclosure.
SPECIFICATION Nominal Basket Diameter 15", 381 mm Nominal Impedance 8 ohms Power Rating Watts 200 W / Music Program 400 W Resonance 41 Hz Usable Frequency Range 46 Hz - 3.5 kHz Sensitivity 97 Magnet Weight 25 oz. Gap Height 0.25", 6.35 mm Voice Coil Diameter 1.5", 38.1 mm
THIELE & Small Parameters Resonant Frequency (fs) 41 Hz DC Resistance (Re) 5.88 Coil Inductance (Le) 0.84 mH Mechanical Q (Qms) 7.23 Electromagnetic Q (Qes) 1.53 Total Q (Qts) 1.26 Compliance Equivalent Volume (Vas) 260.0 liters / 9.2 cu. ft. Peak Diaphragm Displacement Volume (Vd) 325 cc Mechanical Compliance of Suspension (Cms) 0.25 mm/N BL Product (BL) 7.7 T-M Diaphragm Mass inc. Airload (Mms) 59 grams Efficiency Bandwidth Product (EBP) 27 Maximum Linear Excursion (Xmax) 3.8 mm Surface Area of Cone (Sd) 856.3 cm² Maximum Mechanical Limit (Xlim) 8.4 mm
MOUNTING Information Recommended Enclosure Volume Sealed 71-85 liters / 2.5-3 cu. ft. Vented 106-177 liters / 3.75-6.25 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 5.83", 148 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
Nice item for money. Used for my home DIY open baffle design. With two of them in a baffle will bring mid-bass articulation on new level. Very tight and fast bass. But not too much Xmax, so needs to limit with electronic HP filter around 30HZ.