Eminence IMPERO15A (Eminence IMPERO 15A)

Pro Series 15" Raw Woofer

High power driver recommended for pro audio in vented enclosures. Suited for two-way top boxes, full-range two-way and three-way boxes, bass guitar boxes, and small subwoofers.

Specification
Nominal Basket Diameter 15", 381mm
Nominal Impedance* 8 ohms
Power Rating**
Watts 1200W
Music Program 2400W
Resonance 42.97Hz
Usable Frequency Range 46Hz - 2kHz
Sensitivity*** 95.6dB
Magnet Weight 109 oz.
Gap Height 0.5", 12.7mm
Voice Coil Diameter 4", 101.6mm

Thiele & Small Parameters
Resonant Frequency (fs) 42.97Hz
DC Resistance (Re) 5.42
Coil Inductance (Le) 1.47mH
Mechanical Q (Qms) 15.33
Electromagnetic Q (Qes) 0.4
Total Q (Qts) 0.39
Compliance Equivalent Volume (Vas) 142.51 liters / 5.03 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 625.1cc
Mechanical Compliance of Suspension (Cms) 0.14mm/N
BL Product (BL) 19.18 T-M
Diaphragm Mass Inc. Airload (MMs) 100.57 grams
Efficiency Bandwidth Product (EBP) 107.3
Maximum Linear Excursion (Xmax) 7.3mm
Surface Area of Cone (Sd) 856.3 cm2
Maximum Mechanical Limit (Xlim) 15.4mm

Mounting Information
Recommended Enclosure Volume
Sealed N/a
Vented 53.8-184.0 liters / 1.9-6.5 cu.ft.
Driver Volume Displaced 268.4 cu.in. / 4.4 liters
Overall Diameter 15.22", 386.59mm
Baffle Hole Diameter 13.99", 355.35mm
Front Sealing Gasket Fitted as Standard
Rear Sealing Gasket Fitted as Standard
Mounting Holes Diameter 0.28", 7.23mm
Mounting Holes B.C.D. 14.56", 369.87mm
Depth 6.56", 166.62mm
Net Weight 24.8 lbs, 11.2 kg
Shipping Weight 27.5 lbs, 12.3 kgs

Materials of Construction
Coil Construction Copper voice coil
Coil Former Fiberglass
Magnet Composition Ferrite magnet
Core Details Bumped Vented Extended core

Basket Materials Die-cast aluminum basket
Cone Composition Water Resistant Treated Paper Cone
Cone Edge Composition Treated Cloth cone edge
Dust Cap Composition Water Resistant Treated Paper dust cap