Recommended for professional audio subwoofer and woofer applications in sealed and vented enclosures. Not for horn-loading or scoops.

SPECIFICATION
Nominal Basket Diameter	18", 457 mm
Nominal Impedance*	8 Ω
Power Rating*
Program Power	2500 W
Watts	1250 W
Resonance	32 Hz
Usable Frequency Range	33 Hz - 0.3 kHz
Sensitivity*	95.8 dB
Magnet Weight	109 oz.
Gap Height	0.375", 9.5 mm
Voice Coil Diameter	4", 102 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs)	32 Hz
DC Resistance (Re)	5.07 Ω
Coil Inductance (Le)	1.59m H
Mechanical Q (Qms)	10.15
Electromagnetic Q (Qes)	0.49
Total Q (Qts)	0.47
Compliance Equivalent Volume (Vas)	331.5 liters / 11.71 cu.ft.
Peak Diaphragm Displacement Volume (Vd)	1159 cc
Mechanical Compliance of Suspension (Cms)	0.18 mm/N
BL Product (BL)	17.2 T-M
Diaphragm Mass Inc. Airload (MMs)	143 grams
Efficiency Bandwidth Product (EBP)	65
Maximum Linear Excursion (Xmax)	10 mm
Surface Area of Cone (Sd)	1159 cm2
Maximum Mechanical Limit (Xlim)	19.2 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed	104.8-172.7 liters / 3.7-6.1 cu.ft.
Vented	118.9-303 liters / 4.2-10.7 cu.ft.
Driver Volume Displaced	0.234 cu.ft. / 6.62 liters
Overall Diameter	18", 457.2 mm
Baffle Hole Diameter	16.56", 420.6 mm
Front Sealing Gasket	Yes
Rear Sealing Gasket	Yes
Mounting Holes Diameter	0.28", 7.1mm
Mounting Holes B.C.D.	17.25", 438.2mm
Depth	8.15", 207 mm
Net Weight	27.4 lbs, 12.43 kg
Shipping Weight	30.9 lbs, 14.02 kgs
MATERIALS OF CONSTRUCTION
Coil Construction	Copper voice coil
Coil Former	Kapton former
Magnet Composition	Ferrite magnet
Core Details	Extended core with Core-Periphery Ventilation

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

Eminence KILOMAXPRO-18A 18" Speaker 1000w 8 Ohm

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