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Eminence Omega Pro-18a 18” Replacement Speaker

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UPC: 876358001026
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About This Product

Eminence Omega Pro-18a 18” American Standard Series Replacement Speaker

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

Eminence Omega Pro-18A Specifications
Nominal Basket Diameter 18", 457 mm
Nominal Impedance* 8 Ω
Power Rating**
Watts 800 W
Music Program 1600 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
The Omega Pro-18a Box Includes:
(1) Eminence Omega Pro-18a 18” American Standard Series Replacement Speaker