Eminence Texas heat 12 Inch 150W 16OHM Speaker   SPECIFICATION • Nominal Basket Diameter 12", 304.8mm • Nominal Impedance* 16 ohms • Power Rating** • Watts 150W • Music Program N/A • Resonance 91Hz • Usable Frequency Range 70Hz - 5kHz • Sensitivity*** 100dB • Magnet Weight 38 oz. • Gap Height 0.31", 7.92mm • Voice Coil Diameter 2", 50.8mm THIELE & SMALL PARAMETERS • Resonant Frequency (fs) 91Hz • DC Resistance (Re) 14.7 • Coil Inductance (Le) 0.9mH • Mechanical Q (Qms) 12.48 • Electromagnetic Q (Qes) 0.87 • Total Q (Qts) 0.81 • Compliance Equivalent Volume (Vas) 44.5 liters / 1.6 cu.ft. • Peak Diaphragm Displacement Volume (Vd) 42cc • Mechanical Compliance of Suspension (Cms) 0.12mm/N • BL Product (BL) 16 T-M • Diaphragm Mass Inc. Airload (MMs) 27 grams • Efficiency Bandwidth Product (EBP) 104 • Maximum Linear Excursion (Xmax) 0.8mm • Surface Area of Cone (Sd) 519.5 cm2 • Maximum Mechanical Limit (Xlim) N/A MOUNTING INFORMATION • Recommended Enclosure Volume • Sealed Acceptable • Vented Acceptable • Driver Volume Displaced 122 cu.in. / 2 liters • Overall Diameter 12.02", 305.3mm • Baffle Hole Diameter 10.97", 278.6mm • Front Sealing Gasket Fitted as standard • Rear Sealing Gasket Fitted as standard • Mounting Holes Diameter 0.25", 6.4mm • Mounting Holes B.C.D. 11.63", 295.4mm • Depth 5.1", 130mm • Net Weight 8.3 lbs, 3.8 kg • Shipping Weight 10 lbs, 4.5 kgs MATERIALS OF CONSTRUCTION • Coil Construction Copper voice coil • Coil Former Polyimide former • Magnet Composi