R11 Meta

KEF R11 Meta

• Metamaterial Absorption Technology:
  Absorbs 99% of unwanted sound, ensuring pure and natural audio performance.

• True Bass Definition:
  Features hybrid aluminum bass drivers with greater excursion for tight, deep, and controlled bass.

• 12th Generation Uni-Q® Driver Array:
  Functions as a single point source, enlarging the 'sweet spot' and dispersing sound more evenly throughout the room.

• Microfiber Grilles:
  Equipped with 1801 precision-cut holes for each driver, guaranteeing performance even when the drivers are covered.

• Design:
  Three-way bass reflex design for enhanced sound clarity and depth.

• Drive Units:

  • Uni-Q Driver Array:
    • HF: 25 mm (1 in.) vented aluminum dome with Metamaterial Absorption Technology.
    • MF: 125 mm (5 in.) aluminum cone.
  • Bass Unit:
    • LF: Four 165 mm (6.5 in.) hybrid aluminum cones for robust low-frequency response.

• Crossover Frequency:
  330 Hz, 2.5 kHz for seamless driver integration and coherent sound.

• Frequency Range (-6dB):
  Extends from 30 Hz to 50 kHz, delivering a broad audio spectrum.

• Typical In-Room Bass Response (-6dB):
  Reaches down to 26 Hz for deep bass performance.

• Frequency Response (±3dB):
  Ranges from 46 Hz to 28 kHz, providing clarity across a wide range of sounds.

• Harmonic Distortion (90dB, 1m):
  Less than 1% at 33 Hz and above; less than 0.5% from 80 Hz to 20 kHz, ensuring minimal distortion in playback.

• Maximum Output:
  Capable of producing 113 dB for impactful listening experiences.

• Amplifier Requirements:
  Designed for amplifiers ranging from 15 to 300W.

• Nominal Impedance:
  4 Ω (minimum 3.2 Ω), compatible with a variety of amplifiers.

• Sensitivity:
  90 dB (2.83V/1m), allowing for efficient sound reproduction.

• Weight:
  36.5 kg (80.5 lbs), providing a solid and stable build.

• Dimensions:

  • With terminal: 1249 x 200 x 384 mm (49.2 x 7.9 x 15.1 in.).
  • With terminal and plinth: 1296 x 311 x 384 mm (51.0 x 12.2 x 15.1 in.).

• Finishes:
  Available in Black Gloss, White Gloss, and Walnut.

• What’s in the Box:
  R11 Meta speakers, microfiber grille, plinth and spike accessories, port bungs, user manual, and warranty information.