Eminence Woofer Specifications:
Nominal Basket Diameter 15", 381mm
Nominal Impedance* 8 ohms
Power Rating**
Watts 1250W
Music Program 2500W
Resonance 41Hz
Usable Frequency Range 44Hz - 0.8kHz
Sensitivity*** 95.5dB
Magnet Weight 109 oz.
Gap Height 0.37", 9.53mm
Voice Coil Diameter 4", 101.6mm
Thiele & Small Parameters
Resonant Frequency (fs) 41Hz
DC Resistance (Re) 4.97
Coil Inductance (Le) 1.78mH
Mechanical Q (Qms) 8.8
Electromagnetic Q (Qes) 0.4
Total Q (Qts) 0.39
Compliance Equivalent Volume (Vas) 154.5 liters / 5.5 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 677cc
Mechanical Compliance of Suspension (Cms) 0.15mm/N
BL Product (BL) 17.7 T-M
Diaphragm Mass Inc. Airload (MMs) 98 grams
Efficiency Bandwidth Product (EBP) 103
Maximum Linear Excursion (Xmax) 7.9mm
Surface Area of Cone (Sd) 856.3 cm2
Maximum Mechanical Limit (Xlim) 13.5mm

Mounting Information
Recommended Enclosure Volume
Sealed N/a
Vented 82-176 liters / 2.9-6.2 cu.ft.
Driver Volume Displaced 262.8 cu.in. / 4.31 liters
Overall Diameter 15.21", 386.3mm
Baffle Hole Diameter 14", 355.6mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket Fitted as standard
Mounting Holes Diameter 0.28", 7.1mm
Mounting Holes B.C.D. 14.56", 369.8mm
Depth 6.42", 163mm
Net Weight 24.7 lbs, 11.2 kg
Shipping Weight 27.1 lbs, 12.3 kgs
Materials of Construction
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Extended core with Core Periphery Ventilation

Basket Materials Die-cast aluminum basket
Cone Composition Paper Cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Porous cloth top spider/ heatsink