Detail EMINENCE OMEGA PRO 18A KOMPONEN / COMPONENT SPEAKER
KOMPONEN / COMPONENT SPEAKER EMINENCE OMEGA PRO 18A
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 ©
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 ©
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
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