18" PA Woofer

The Eminence OMEGA PRO-18A is an 18" woofer that's ideal for professional audio installations in a vented enclosure. The OMEGA PRO-18A is also great for horn loading and scoops.

Eminence OMEGA PRO-18A PA Woofer Features at a Glance:

• Nominal Basket Diameter: 18"
  
• Nominal Impedance: 8 ohms
  
• Power Rating: 800W; music program 1600W
  
• Resonance: 25Hz
  
• Usable Frequency Range: 40Hz-800Hz
  
• Sensitivity: 97dB
  
• Magnet Weight: 109 oz.
  
• Gap Height: 0.37"
  
• Voice Coil Diameter: 4"
  
• Resonant Frequency (fs): 25Hz
  
• DC Resistance (Re): 5.2
  
• Coil Inductance (Le): 1.67mH
  
• Mechanical Q (Qms): 8.18
  
• Electromagnetic Q (Qes): 0.32
  
• Total Q (Qts): 0.31
  
• Compliance Equivalent Volume (Vas): 548.7 liters
  
• Peak Diaphragm Displacement Volume (Vd): 556cc
  
• Mechanical Compliance of Suspension (Cms): 0.29mm/N
  
• BL Product (BL): 18.8 T-M
  
• Diaphragm Mass Inc. Airload (MMs): 138 grams
  
• Efficiency Bandwidth Product (EBP): 79
  
• Maximum Linear Excursion (Xmax): 4.8mm
  
• Surface Area of Cone (Sd): 1159 cm2
  
• Maximum Mechanical Limit (Xlim): 16mm
  
• Recommended Enclosure Volume: (Vented only) 96-198 liters / 3.4-7 cu.ft.
  
• Driver Volume Displaced: 403.9 cu.in.
  
• Overall Diameter: 18"
  
• Baffle Hole Diameter: 16.56"
  
• Front/Rear Sealing Gasket: Fitted as standard
  
• Mounting Holes Diameter: 0.28"
  
• Mounting Holes B.C.D.: 17.25"
  
• Depth: 8.15"
  
• Net Weight: 25.2 lbs
  
• Coil Construction: Copper voice coil
  
• Coil Former: Polyimide former
  
• Magnet Composition: Ferrite magnet
  
• Basket Materials: Die-cast aluminum basket
  
• Cone Composition: Paper Cone
  
• Cone Edge Composition: Cloth cone edge
  
• Dust Cap Composition: Solid composition paper dust cap