Eminence Omega Pro-18C 18" Cast Frame Speaker, 4 Ohm

$244.99
PA SKU # EMN OMEGAPRO18C MFR # OMEGA PRO-18C UPC # 876358000432
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  • 18" Cast Frame Driver, 4 Ohm, 800 Watt

18" Cast Frame Driver, 4 Ohm, 800 Watt

The Eminence Omega Pro-18C 18" cast frame speaker is equipped with a large 4" diameter voice coil and a 109 oz. ceramic ferrite magnet with bumped back plate. The Omega Pro-18C is an ideal driver choice for vented subwoofer enclosures as well as horn loading and scoops. Made in the USA. 7-year manufacturer's warranty!
  • Two-layer, 27ga. copper voice coil with Kapton coil former
  • Vented and extended pole piece
  • Die-cast aluminum basket
  • Paper cone with cloth cone edge
  • Solid composition paper dust cap
  • SPECIFICATION
  • Nominal Basket Diameter: 18", 457.2mm
  • Nominal Impedance*: 4 ohms
  • Power Rating**
  • Watts: 800W
  • Music Program: 1600W
  • Resonance: 23Hz
  • Usable Frequency Range: 40Hz - 0.8kHz
  • Sensitivity***: 96.4dB
  • Magnet Weight: 109 oz.
  • Gap Height: 0.37", 9.53mm
  • Voice Coil Diameter: 4", 101.6mm
  • THIELE & SMALL PARAMETERS
  • Resonant Frequency (fs): 23Hz
  • DC Resistance (Re): 2.5
  • Coil Inductance (Le): 0.61mH
  • Mechanical Q (Qms): 6.41
  • Electromagnetic Q (Qes): 0.29
  • Total Q (Qts): 0.28
  • Compliance Equivalent Volume (Vas): 639 liters / 22.6 cu.ft.
  • Peak Diaphragm Displacement Volume (Vd): 556cc
  • Mechanical Compliance of Suspension (Cms): 0.34mm/N
  • BL Product (BL): 13.4 T-M
  • Diaphragm Mass Inc. Airload (MMs): 145.5 grams
  • Efficiency Bandwidth Product (EBP): 79
  • Maximum Linear Excursion (Xmax): 4.8mm
  • Surface Area of Cone (Sd): 1159 cm2
  • Maximum Mechanical Limit (Xlim): 16mm
  • MOUNTING INFORMATION
  • Recommended Enclosure Volume
  • Sealed: N/a
  • Vented: 99-193 liters / 3.5-6.8 cu.ft.
  • Driver Volume Displaced: 403.9 cu.in. / 6.62 liters
  • Overall Diameter: 18", 457.2mm
  • Baffle Hole Diameter: 16.56", 420.5mm
  • Front Sealing Gasket: Fitted as standard
  • Rear Sealing Gasket: Fitted as standard
  • Mounting Holes Diameter: 0.28", 7.1mm
  • Mounting Holes B.C.D.: 17.25", 438.2mm
  • Depth: 8.15", 207mm
  • Net Weight: 25.2 lbs, 11.4 kg
  • Shipping Weight: 28.9 lbs, 13.1 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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