Eminence OMEGAPRO-18A 18in Speaker 800w 8 Ohm

Recommended for professional audio as a woofer in vented enclosures. Also ideal for horn loading and scoops.

SPECIFICATION
Nominal Basket Diameter	18", 457 mm
Nominal Impedance*	8 Ω
Power Rating*
Program Power	1600 W
Watts	800 W
Resonance	25 Hz
Usable Frequency Range	40 Hz - 0.8 kHz
Sensitivity*	97 dB
Magnet Weight	109 oz.
Gap Height	0.375", 9.5 mm
Voice Coil Diameter	4", 102 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs)	25 Hz
DC Resistance (Re)	5.2 Ω
Coil Inductance (Le)	1.67m H
Mechanical Q (Qms)	8.18
Electromagnetic Q (Qes)	0.32
Total Q (Qts)	0.31
Compliance Equivalent Volume (Vas)	548.7 liters / 19.38 cu.ft.
Peak Diaphragm Displacement Volume (Vd)	556 cc
Mechanical Compliance of Suspension (Cms)	0.29 mm/N
BL Product (BL)	18.8 T-M
Diaphragm Mass Inc. Airload (MMs)	137 grams
Efficiency Bandwidth Product (EBP)	79
Maximum Linear Excursion (Xmax)	4.8 mm
Surface Area of Cone (Sd)	1159 cm2
Maximum Mechanical Limit (Xlim)	16 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed	N/a
Vented	96-198 liters / 3.4-7 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	25.2 lbs, 11.43 kg
Shipping Weight	28.9 lbs, 13.11 kgs
MATERIALS OF CONSTRUCTION
Coil Construction	Copper voice coil
Coil Former	Polyimide former
Magnet Composition	Ferrite magnet
Core Details	Vented and extended core

Basket Materials	Die-cast aluminum basket
Cone Composition	Paper cone
Cone Edge Composition	Cloth cone edge
Dust Cap Composition	Solid composition paper dust cap

Eminence OMEGAPRO-18A 18in Speaker 800w 8 Ohm