Authorised Distributor
Eminence Impero 18A 18" High Power Driver Speaker
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Full Specifications
The Eminence Impero 18A 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 fibreglass former. A large magnet, extended and vented pole piece, bumped backplate, and 1/2" thick x 7-1/2" diameter top plate ensure substantial motor strength, resulting in tremendous bass output.
The Impero 18A's performance is ideal for 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.
Features
- Ultra-high power handling capacity guarantees long-term durability
- 4" diameter copper voice coil on fibreglass former
- 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
Tech Specs
Nominal Basket Diameter: 18", 457.2mm Nominal Impedance*: 8 ohms Power Rating** Watts: 1200W Music Program: 2400W Resonance: 33.17Hz Usable Frequency Range: 39Hz - 0.82kHz Sensitivity***: 95.9dB Magnet Weight: 109 oz. Gap Height: 0.5", 12.7mm Voice Coil Diameter: 4", 101.6mm THIELE & SMALL PARAMETERS Resonant Frequency (fs): 33.17Hz DC Resistance (Re): 5.41 Coil Inductance (Le): 1.47mH Mechanical Q (Qms): 14.02 Electromagnetic Q (Qes): 0.44 Total Q (Qts): 0.43 Compliance Equivalent Volume (Vas): 317.02 liters / 11.19 cu.ft. Peak Diaphragm Displacement Volume (Vd): 927.2cc Mechanical Compliance of Suspension (Cms): 0.17mm/N BL Product (BL): 18.9 T-M Diaphragm Mass Inc. Airload (MMs): 139.52 grams Efficiency Bandwidth Product (EBP): 75.37 Maximum Linear Excursion (Xmax): 8mm Surface Area of Cone (Sd): 1159 cm2 Maximum Mechanical Limit (Xlim): 20.1mm
TOA
TOA is a global leader in professional PA, voice-alarm, and conference systems. Techniline is the authorised TOA distributor for the UAE & GCC — supplying, specifying, and supporting the full range with regional warranty and manufacturer-backed support.
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