Eminence IMPERO 18C 18" High Power Driver Speaker 4 Ohm 1200W

Manufacturer Part Number: IMPERO 18C Highlights Ultra-high power handling capacity guarantees long-term durability 4" diameter copper voice coil on fiberglass former, 4 ohm impedance Weather-resistant paper cone and dust cap, treated cloth edge Die cast basket is light yet strong, ready to handle rough travel Massive, optimized motor structure helps move serious volumes of air Capable of sustaining thunderous levels of sub-bass Hand built in the USA Eminence IMPERO 18C 18" High Power Driver Speaker 4 Ohm 1200W The Eminence Impero 18C 18" high power pro audio speaker is optimized for use in vented enclosures. Its 1,200 watt continuous power rating is a result of Eminence's extensive experience designing and manufacturing loudspeaker drivers for serious professional use. This 18" cast frame transducer features a 4" diameter copper voice coil that is wound on a fiberglass former. A large magnet, extended and vented pole piece, bumped back plate, and 1/2" thick x 7-1/2" diameter top plate ensure substantial motor strength, resulting in tremendous bass output. The Impero 18C's performance is ideal for 4 ohm full-range 3-way boxes, bass guitar boxes, and compact to medium-sized subwoofer speaker systems. Recommended enclosure volume: Vented: 113.2 ~ 277.5 liters / 4 ~ 9.8 cu. ft. Product Specifications Nominal Diameter:18" Power Handling (RMS):1,200 Watts Power Handling (max):2400 Watts Impedance:4 ohms Frequency Response:36 to 820 Hz Sensitivity:94.5 dB 1W/1m Voice Coil Diameter:4" Magnet Weight:109 oz. Thiele-Small Parameters Resonant Frequency (Fs):31 Hz DC Resistance (Re):3.13 ohms Voice Coil Inductance (Le):1.09 mH Mechanical Q (Qms):10.13 Electromagnetic Q (Qes):0.35 Total Q (Qts):0.34 Compliance Equivalent Volume (Vas):11.20 ft.3 Mechanical Compliance of Suspension (Cms):0.17 mm/N BL Product (BL):16.10 Tm Diaphragm Mass Inc. Airload (Mms):148g Maximum Linear Excursion (Xmax):8.13 mm Surface Area of Cone (Sd):1159 cm2 Materials of Construction Cone Material:Treated Paper Surround Material:Cloth Voice Coil Wire Material:Copper Voice Coil Former:Fiberglass Basket / Frame Material:Cast Aluminum Magnet Material:Ferrite Mounting Information Overall Outside Diameter:18" Baffle Cutout Diameter:16.56" Depth:8.31" # Mounting Holes:8 Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion) Sealed Volume:2.32 ft.3 Sealed F3:75 Hz Vented Volume:5.06 ft.3 Vented F3:45 Hz Eminence IMPERO 18C 18" High Power Driver Speaker 4 Ohm 1200W Brand:Eminence Speaker Model:IMPERO 18C Part Number:290-698 UPC:876358002061 Product Category:Pro Woofers, Subwoofers & Midrange Speakers Unit of Measure:EA Weight:30.8 lbs. California Prop 65: WARNING: Cancer and Reproductive Harm www.P65Warings.ca.gov

Ultra-high power handling capacity guarantees long-term durability 4" diameter copper voice coil on fiberglass former, 4 ohm impedance Weather-resistant paper cone and dust cap, treated cloth edge Die cast basket is light yet strong, ready to handle rough travel Massive, optimized motor structure helps move serious volumes of air