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Eminence Omega Pro-18A 18" Cast Frame Woofer Driver

Brand:|Model: Omega Pro-18A|Part # 290-428

Eminence's Omega Pro-18A 18" cast frame speaker is recommended for professional audio of all types, and will provide great results as a high-power subwoofer for PA and dance systems.
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Part # 290-428
  • 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

Product Details

Eminence Omega Pro-18A 18" Cast Frame Woofer Driver

The Eminence Omega Pro-18A 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-18A 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!

Product Specifications
  • Nominal Diameter18"
  • Power Handling (RMS)800 Watts
  • Power Handling (max)1600 Watts
  • Impedance8 ohms
  • Frequency Response40 to 800 Hz
  • Sensitivity97 dB 1W/1m
  • Voice Coil Diameter4"
  • Magnet Weight109 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)25 Hz
  • DC Resistance (Re)5.20 ohms
  • Voice Coil Inductance (Le)1.67 mH
  • Mechanical Q (Qms)8.18
  • Electromagnetic Q (Qes)0.32
  • Total Q (Qts)0.31
  • Compliance Equivalent Volume (Vas)19.38 ft.³
  • Mechanical Compliance of Suspension (Cms)0.29 mm/N
  • BL Product (BL)18.8 Tm
  • Diaphragm Mass Inc. Airload (Mms)137g
  • Maximum Linear Excursion (Xmax)4.8 mm
  • Surface Area of Cone (Sd)1,159 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialCloth
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerKapton® / Polyimide
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter18"
  • Baffle Cutout Diameter16.56"
  • Depth8.15"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.99 ft.³
  • Sealed F3100 Hz
  • Vented Volume2.19 ft.³
  • Vented F365 Hz
Eminence Omega Pro-18A 18" Cast Frame Woofer Driver
  • BrandEminence Speaker
  • ModelOmega Pro-18A
  • Part Number290-428
  • UPC876358000425
  • Product CategoryPro Woofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Product Rating
    (9 Reviews)
  • Weight28.05 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Eminence Omega Pro-18A 18" Cast Frame Woofer Driver
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