By kef

KEF Ci250RRM-THX In-Ceiling Subwoofer, Each

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Regular price $2,499.99
Regular price Sale price $2,499.99
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Featuring innovative technologies including 12th Generation Uni-Q® driver array with Metamaterial Absorption Technology (MAT), patent-pending Cavity Radiation Control and Low Diffraction LF Aperture, Ci250RRM-THX is a truly revolutionary coaxial three-way architectural speaker that delivers immersive, high-fidelity soundstage with unmatched sonic excellence for large home theatres and living rooms.
  • Nominal Impedance: 8 Ohms
  • Sensitivity (2.83V/1m): 89dB
  • Frequency Response (±6dB): Open-backed 28Hz - 20kHz
  • Frequency Range (-10dB): 20Hz - 45kHz
  • Nominal Coverage (Degrees): 120
  • Max SPL: 111dB
  • Crossover Frequencies: 540Hz, 2.6kHz
  • Drive Units: LF: 250mm (10in.), MF: 100mm (4in.), Uni-Q HF: 19mm (0.75in.) vented aluminium dome with Metamaterial Absorption Technology1
  • Recommended Amplifier Power: 50 - 250W
  • Recommended High-pass Filter (Hz): 30 - 60Hz
  • Product External Dimension: Diameter Ø: 346mm (13.62in.) Depth: 175mm (6.89in.)
  • Cut-out Dimensions: Diameter Ø: 300mm (11.81in.)
  • Net Weight: 6kg (13.2lbs)
  • Mounting Depth from Surface: 168mm (6.62in.)
  • Certification: THX® Certified Ultra
  • Safety and Regulatory Compliance: IP64
  • Ceiling thickness: (Maximum) 30mm (1.18in.)
  • Ceiling thickness: (Minimum) 6mm (0.24in.)