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Eminence IMPERO 18A 18 Inch 4400 Watt Pro Audio Woofer

Eminence IMPERO 18A 18 Inch 4400 Watt Pro Audio Woofer
Eminence IMPERO 18A 18 Inch 4400 Watt Pro Audio Woofer Eminence IMPERO 18A 18 Inch 4400 Watt Pro Audio Woofer Eminence IMPERO 18A 18 Inch 4400 Watt Pro Audio Woofer
Brand: Eminence
Product Code: IMPERO 18A
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Availability: In Stock
Price: $309.99 $299.99
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Eminence IMPERO 18A Woofer

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 High power driver is recommended for pro audio in vented enclosures. Ideal for two-way top boxes, full-range two-way boxes, bass guitar boxes, and small subwoofers. Recommended enclosure volume: Vented: 33.98 ~ 118.9 liters / 1.2 ~ 4.2 cu. ft.

Eminence IMPERO 18A Specifications:

  • Nominal Basket Diameter: 18", 457.2mm
  • Nominal Impedance: 8 ohms
  • Power Rating: 1200W continuous, 2400W Music Program, 4800W Peak*
  • Resonance: 33.17Hz
  • Usable Frequency Range: 39Hz - 820Hz
  • 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

MATERIALS OF CONSTRUCTION:

  • Coil Construction Copper voice coil
  • Coil Former Fiberglass
  • Magnet Composition Ferrite magnet
  • Core Details Bumped Vented Extended core
  • Basket Materials Die-cast aluminum basket
  • Cone Composition Water Resistant Treated Paper Cone
  • Cone Edge Composition Treated Cloth cone edge
  • Dust Cap Composition Water Resistant Treated Paper dust cap

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