Recommended for professional audio mid-bass or floor monitor applications in a sealed enclosure. Also suitable Mas a woofer in vented, bass guitar or PA enclosures.
SPECIFICATION Nominal Basket Diameter 12", 304.8 mm Nominal Impedance 8 ohms Power Rating Watts 500 W / Music Program 1000 W Resonance 51 Hz Usable Frequency Range 44 Hz - 3 kHz Sensitivity 94.6 Magnet Weight 56 oz. Gap Height 0.375", 9.53 mm Voice Coil Diameter 2.5", 63.5 mm
THIELE & Small Parameters Resonant Frequency (fs) 51 Hz DC Resistance (Re) 6.06 Coil Inductance (Le) 1.45 mH Mechanical Q (Qms) 7.28 Electromagnetic Q (Qes) 0.51 Total Q (Qts) 0.47 Compliance Equivalent Volume 67.9 liters (Vas) 67.9 liters / 2.4 cu. ft. Peak Diaphragm Displacement Volume 243 cc Mechanical Compliance of Suspension 0.19 mm/N BL Product (BL) 14.1 T-M Diaphragm Mass inc. Airload (Mms) 51 grams Efficiency Bandwidth Product (EBP) 100 Maximum Linear Excursion (Xmax) 4.8 mm Surface Area of Cone (Sd) 506.7 cm² Maximum Mechanical Limit (Xlim) 13.5 mm
MOUNTING Information Recommended Enclosure Volume Sealed 19.8-28 liters/0.7-1.0 cu.ft. Vented 25.5-102 liters/0.9-3.6 cu.ft. Overall Diameter 12.03", 305.5 mm Baffle Hole Diameter 10.95", 278.1 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. 11.59", 294.3 mm Depth 5.35", 136 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