Speaker driver

The Eminence Impero 18A, from the Professional Series, is a 457 mm subwoofer designed for Pro Audio applications, bass amplifiers and small subwoofers. With a nominal power of 1200 W and a program power of 2400 W, it offers a usable frequency range of 39 Hz to 800 Hz, perfect for configurations in vented enclosures.

ARTICLE N° 97015
  • Eminence Impero 18A
  • Loudspeaker
  • Manufacturer Ref : 18464A-U
  • Series : Professional Series
  • Applications : Subwoofer | Pro Audio | Bass Guitar
  • Loudspeaker : ∅18" (457 mm)
  • Nominal impedance : 8 Ω
  • Program power : 2400 W
  • Nominal power : 1200 W
  • Resonance frequency (fs) : 33 Hz
  • Usable frequency range : 39 Hz ⭢ 800 Hz
  • Sensitivity : 95.9 dB
  • Total Q (Qts) : 0.43
  • Voice coil : ∅4" (102 mm)
  • Maximum linear excursion (Xmax) : 8 mm
  • Compliance equivalent volume (Vas) : 317.02 liters / 11.2 cu.ft.
  • Max displacement volume (Vd): 927.2 cc
  • Volume displaced by the speaker: 6.7 liters
  • Total diameter: 18" (457 mm)
  • Voice coil: Copper
  • Voice coil support: Fiberglass
  • Magnet: Ferrite
  • Structure materials: Aluminum
  • Membrane: Water-resistant paper
  • Membrane edge: Treated fabric edge
  • Dimensions: ∅457 x 211 mm
  • Weight: 12.38 kg
The Eminence Impero 18A is specifically designed for professional environments where accurate sound reproduction is essential. With a diameter of 457 mm and a nominal impedance of 8 Ω, this subwoofer ensures optimum performance for subwoofers, three-way enclosures and bass guitar applications.

The Eminence Impero 18A is distinguished by its 102 mm copper voice coil, robust aluminium construction and water-resistant paper cone.

Its maximum linear excursion capacity of 8 mm and its maximum displacement volume of 927.2 cc guarantee an extended frequency response and remarkable sound quality in vented or scoop-loaded enclosures.
Application type
 Bass amp, Subwoofer, Woofer
Impedance
 8 Ohm
Peak power (W)
 2400
RMS power (W)
 1200
Sensitivity
 95,9 dB
Resonance Frequency
 33 Hz
basket material
 Cast Aluminum
Cone material
 Treated paper
Magnet Material
 Ferrite
Material de la bobina
 Copper
coil ∅
 102 mm (4")
Weight
 12,38 kg
Frequency response, upper limit
 800 Hz
Frequency response, low limit
 39 Hz
Packaging
 Single unit
Since its inception in 1966, Eminence has established itself as a leader in the manufacturing of professional loudspeakers and speakers for musical instruments.

The company, known for its quality products, prides itself on its speakers handcrafted in the United States.

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