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Eminence IMPERO 18A 18" High Power Driver Speaker 8 Ohm 1200W

Eminence SpeakerPart # 290-696
Model: IMPERO 18A
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The Eminence Impero 18A 18" 8 ohm pro woofer features a 1,200 watts RMS power rating and a powerful magnet structure that helps this serious transducer move vast volumes of air.

Key Features

  • Ultra-high power handling capacity guarantees long-term durability
  • 4" diameter copper voice coil on fiberglass 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
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Overview

Eminence IMPERO 18A 18" High Power Driver Speaker 8 Ohm 1200W

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 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 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.

Product Details

BrandEminence Speaker
ModelIMPERO 18A
Part Number290-696
UPC876358002054
Unit of MeasureEach
Weight31.15

Product Specifications

Nominal Diameter18"
Power Handling (RMS)1200 Watts
Power Handling (MAX)2400 Watts
Impedance8Ω
Frequency Response39 to 820Hz
Sensitivity95.9dB 2.83V/1m
Voice Coil Diameter4"

Thiele-Small Parameters

Resonant Frequency (Fs)33Hz
DC Resistance (Re)5.41Ω
Voice Coil Inductance (Le)1.47mH
Mechanical Q (Qms)14.02
Electromagnetic Q (Qes)0.44
Total Q (Qts)0.43
Compliance Equivalent Volume (Vas)11.2ft³
Mechanical Compliance of Suspension (Cms)0.17mm/N
BL Product (BL)18.9T·m
Diaphragm Mass Inc. Airload (Mms)140g
Maximum Linear Excursion (Xmax)8mm
Surface Area of Cone (Sd)1159cm²

Materials of Construction

Cone MaterialTreated Paper
Surround MaterialCloth
Voice Coil Wire MaterialCopper
Voice Coil FormerFiberglass
Basket / Frame MaterialCast Aluminum
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter18"
Baffle Cutout Diameter16.56"
Depth8.31"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume4ft³
Sealed F362Hz
Vented Volume8ft³
Vented F338Hz

Specifications

Q&A

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Manuals & Resources

California Prop 65

WARNING: Cancer and Reproductive Harm

www.P65Warnings.ca.gov