With a rigid Kapton coil former and 109 oz. ferrite magnet, the Omega Pro PA speaker was built to handle the most demanding high-power bass applications.

Eminence Omega Pro
The Omega Pro 18 is designed for all high power bass applications. It has a 4 in. polyamide-imide coated 2-layer 27 ga. copper voice coil, kapton coil former, 109 oz. ferrite magnet, vented and extended core, paper cone with cloth edge, and a paper dust cap.

Features:
- Kapton coil former for increased rigidity and thermal protection
- Polyamide-imide coated 2-layer, 27ga., copper voice coil for improved power handling and durability
- Ferrite Magnet
- Vented and extended core for increased power handling
- Die-cast aluminum basket for rigidity
- Paper cone
- Cloth cone edge
- Solid composition paper dust cap

- Nominal Basket Diameter: 18 in., 457.2mm
- Impedance: 8W
- Power Rating: 800Wrms
- Resonance: 28Hz
- Usable Frequency Range: 25Hz - 2kHz
- Magnet Weight: 109oz.
- Gap Height: 0.375 in., 9.52mm
- Voice Coil Diameter: 4.0 in., 101.6mm

Mounting Information
- Recommended Enclosure Volume (vented): 62 - 82 liters 2.2 - 2.9 cu. ft.
- Overall Diameter: 18 in., 457.2mm
- Baffle Hole Diameter: 16.56 in., 420mm
- Front Sealing Gasket: fitted as standard
- Rear Sealing Gasket: fitted as standard
- Mounting Holes Diameter: 0.25 in., 6.4mm
- Mounting Holes B.C.D.: 17.25 in., 438.2mm
- Depth: 8.15 in., 207mm
- Shipping Weight: 30lbs., 13.6 kg.
- Thiele-Small Parameters
- Resonant Frequency (fs): 28Hz
- Impedance (Re): 5.1W
- Coil Inductance (Le): 1.67mH
- Electromagnetic Q (Qes): 0.25
- Mechanical Q (Qms): 5.53
- Total Q (Qts): 0.24
- Compliance Equivalent Volume (Vas): 354 liters 12.49 cu. ft.
- Peak Diaphragm Displacement Volume (Vd): 635cc
- Mechanical Compliance of Suspension (Cms): 0.19mm/N
- BL Product (BL): 25 T-M
- Diaphragm Mass inc. Airload (Mms): 171 grams
- Equiv. Resistance of Mechanical Suspension Loss (Rms): 5.46N*sec/M
- Efficiency Bandwidth Product (EBP): 114
- Voice Coil Overhang (Xmax): 4.8mm
- Surface Area of Cone (Sd): 1159cm2
- Impedance at Resonance (Zmax): 97 ohmd
- Maximum Mechanical Limit (Xmech): 32.0mm
- Eminence response curves are measured under the following controlled test conditions:
- All speakers are tested at 1W/1m using a variety of test set-ups for the appropriate impedance
- LMS using 0.25 in. supplied microphone (software calibrated) mounted 1m from wall/baffle
- 2ft. X 2 ft. baffle is built into the wall with the speaker mounted flush against a steel ring for minimum defraction
- Hafler P1500 Trans-Nova amplifier
- 2700 cu. ft. chamber with fiberglass on all 6 surfaces (three with custom-made wedges)

zZounds is an authorized dealer of Eminence products.