Speaker driver

The Kappa Pro-18LF-8 subwoofer from Eminence, from the Professional series, offers a nominal power of 800 W and a program power of 1,600 W. under 8 ohm. With its 18-inch diameter, it delivers deep bass over a frequency range of 38 Hz to 0.7 kHz, ideal for professional audio systems.

ARTICLE N° 97018
  • Eminence Kappa Pro-18LF-8
  • Loudspeaker
  • Manufacturer Ref : 18473-U
  • Series : Professional Series
  • Applications : Subwoofer | Pro Audio
  • Loudspeaker : ∅18" (457 mm)
  • Nominal impedance : 8 Ω
  • Program power : 1600 W
  • Nominal power : 800 W
  • Resonance frequency (fs) : 32 Hz
  • Usable frequency range : 38 Hz ⭢ 0.7 kHz
  • Sensitivity : 98 dB
  • Total Q (Qts) : 0.33
  • Voice coil : ∅3" (76 mm)
  • Maximum linear excursion (Xmax) : 8 mm
  • Compliance equivalent volume (Vas) : 391.61 liters / 13.83 cu.ft.
  • Max displacement volume (Vd): 927.2 cc
  • Volume displaced by the speaker: 6.62 liters
  • Total diameter: 18" (457 mm)
  • Voice coil: Copper
  • Voice coil support: Kapton
  • Magnet: Ferrite
  • Structure materials: Cast aluminum
  • Membrane: Treated paper
  • Membrane edge: Fabric
  • Dimensions: ∅457 x 207 mm
  • Weight: 11.11 kg
Looking for a powerful subwoofer for your professional audio installations? The Eminence Kappa Pro-18LF-8, with an impressive 18-inch diameter and a nominal impedance of 8 Ω, will meet your expectations.

This model, designed for optimal performance, offers a program power of 1,600 W, guaranteeing robust and punchy bass.
Thanks to a usable frequency range extending from 38 Hz to 700 Hz, it excels in applications requiring faithful reproduction of low frequencies.

One of the key features of the Kappa Pro-18LF-8 is its robustness. Equipped with a 3-inch copper voice coil mounted on a Kapton support, it offers increased durability, even under intense loads.

Its ferrite magnet and cast aluminum chassis ensure a solid and lightweight structure, facilitating its integration into various types of enclosures. In addition, its maximum displacement volume of 927.2 cc and its maximum linear excursion of 8 mm allow sound diffusion without distortion, even at high power.
Application type
 Subwoofer, Woofer
Impedance
 8 Ohm
Peak power (W)
 1600
RMS power (W)
 800
Sensitivity
 98 dB
Resonance Frequency
 35 Hz
basket material
 Cast Aluminum
Cone material
 Treated paper
Magnet Material
 Ferrite
Material de la bobina
 Copper
coil ∅
 76 mm (3")
Weight
 11,1 kg
Frequency response, upper limit
 700 Hz
Frequency response, low limit
 32 Hz
Packaging
 Single unit
By choosing Eminence, you are choosing superior sonic performance and proven durability.

The Kappa Pro-18LF-8 is part of the brand's ongoing evolution, combining tradition and innovation to meet the demands of audio professionals.

The Professional Series, which includes the Kappa Pro-18LF-8, embodies the brand's renowned quality and reliability, with each product designed and hand-assembled in the United States.

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