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Eminence Omega Pro 12 in. PA Speaker (700 Watts, 8 Ohms)
The Omega Pro 12 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 core, paper cone with cloth edge, and a paper dust cap. Available in 8 ohms only. Omega Pro 12 in. PA Speaker (700 Watts, 8 Ohms) Features• :• Kapton coil former for increased rigidity and thermal protection Polyamide-imide coated two-layer, 27ga., copper voice coil for improved power handling and durability Ferrite Magnet Vented core for increased power handling Die-cast aluminum basket for rigidity Paper cone Cloth cone edge Solid composition paper dust cap Professionals Go For Gold! It has often been said that Eminence professional loudspeakers are not expensive enough. A genuine American-built cast-frame high performance transducer must surely cost considerably more Ö after all, most other premium speakers do. The fact is that nobody else in the world makes quantities like Eminence and nobody else can waste as little during the manufacturing process. If they made fewer and rejected more, they could match their pricesá Eminence ëPro‰ models have always been a remarkably good value. Following a series of detail revisions, they are now an even better value. The major cause of failure in a loudspeaker is thermal overload. Expansion of moving parts Ö even melting of parts Ö is terminal. Some time ago, Eminence approached DuPont about formulating a special type of Kaptonś that could efficiently deal with extreme heat conditions. Except for rare accidental overloads, this material all but eliminated voice coil failures. Eminence has further developed manufacturing techniques with this material and investigated other problem areas in transducer motor structures. The combined effect of a number of seemingly small adjustments to production techniques, component materials and adhesives has yielded dramatic improvements in power handling. The transducers in the revised ëPro‰ range offer power-handling improvements of up to 50%. The popular Omega Pro series, originally rated at 600W, is now rated at between 700W and 800W. The Kappa Pro 15LF, once rated at 400W, is now rated at 600W. To recognize these new models, look for their gold back plate labels. Now more than ever, selection from this range demands a more considered approach than simply reviewing power handling and sensitivity. We recommend consideration of the sensitivity chart and a review of the Thiele-Small explanations as a prelude to selecting samples for computer modeling of enclosure designs and listening tests. The Eminence professional series represents a collection of the most widely used professional loudspeakers in the music industry. From indoor or outdoor concerts, to churches, nightclubs, recording studios and arenas all over the world, Eminence has become well known for virtually all applications. Eminence earned this reputation from engineering and manufacturing transducers that incorporate the latest innovations in an affordable package. Why pay more for an over engineered product? Do what the professionals do: put Eminence Inside! Technical Description Nominal Basket Diameter: 12 in., 304.8mm Impedance: 8 ohms Power Rating: 700Wrms Resonance: 39Hz Usable Frequency Range: 65Hz - 1.2kHz Magnet Weight: 109oz. Gap Height: 0.375 in., 9.52mm Voice Coil Diameter: 4.0 in., 101.6mm Mounting Information Recommended Enclosure Volume (vented): 34 - 57 liters 1.2 - 2.0 cu. ft. Overall Diameter: 12.4 in., 314.3mm Baffle Hole Diameter: 11.06 in., 281mm Front Sealing Gasket: fitted as standard Rear Sealing Gasket: fitted as standard Mounting Holes Diameter: 0.275 in., 7mm Mounting Holes B.C.D.: 11.57 in., 293.8mm Depth: 5.83 in., 148mm Shipping Weight: 24.4lbs., 11.1 kg. Thiele-Small Parameters Resonant Frequency (fs): 39Hz Impedance (Re): 5.24 ohms Coil Inductance (Le): 1.39mH Electromagnetic Q (Qes): 0.32 Mechanical Q (Qms): 8.08 Total Q (Qts): 0.30 Compliance Equivalent Volume (Vas): 88.4 liters 3.12 cu. ft. Peak Diaphragm Displacement Volume (Vd): 254cc Mechanical Compliance of Suspension (Cms): 0.22mm/N BL Product (BL): 17.4 T-M Diaphragm Mass inc. Airload (Mms): 75 grams Equiv. Resistance of Mechanical Suspension Loss (Rms): 2.27N*sec/M Efficiency Bandwidth Product (EBP): 124 Voice Coil Overhang (Xmax): 4.8mm Surface Area of Cone (Sd): 532.4cm2 Impedance at Resonance (Zmax): 139 ohms Maximum Mechanical Limit (Xmech): 20.83mm 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 (3 with custom-made wedges)
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Eminence Eminence Omega Pro 18 in. PA Speaker (800 Watts, 8 Ohms) Eminence Omega Pro 12 in. PA Speaker (700 Watts, 8 Ohms) • Eminence • Add Comment or Question • Write a review!
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