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KEF

KEF R7 Meta Floorstanding Speaker - Each (Gloss Black)

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KEF R7 Meta Overview

Product Information

Model: R7MBL | UPC: 637203049736

Specifications

What's In The Box

Product Information

Model: R7MBL | UPC: 637203049736

Mid-Sized Three-Way Floorstanding Speakers

The mid-sized floorstanding member of the R Series is as powerful as it is flexible. Its 12th generation Uni-Q® driver array with MAT™ ensures a crystal-clear performance with music and movies alike, while its two 6.5” hybrid aluminum bass drivers deliver accurate, dynamic bass.

Features

  • Hybrid Aluminum Bass Drivers 
  • Shadow Flare Design Enhances Clarity
  • 12th Generation Uni-Q® Driver Array
  • Metamaterial Absorption Technology (MAT™)
  • Designed to Seamlessly Pair with Other R Series Models

Metamaterial Absorption Technology (MAT)

At the heart of the R Series is Metamaterial Absorption Technology (MAT™). MAT™ is a highly complex maze-like structure that absorbs 99% of the unwanted noise from the rear of the driver, eliminating the resulting distortion and providing purer, more natural sound.

12th Generation Uni-Q

A 12th generation Uni-Q® driver array with MAT™ is found in all seven models of the R Series. Uni-Q® acts as a single point source to disperse sound more evenly through the room. The result is the elimination of the limited ‘sweet spot’, therefore allowing everybody, wherever in the room they may be, to experience and enjoy the same natural, detailed sound.

A Flare for Detail

Derived from The Reference, Shadow Flare is an innovative way to cut harmful high frequency cabinet diffraction. It's a carefully profiled transition that extends the waveguide effect of Uni-Q. The treble escapes naturally because the ‘shadow region’ stops it getting to the cabinet edges. The result is vastly improved fine detail.

Performance Critical Damping

A solid platform is imperative for great sound. The R Series benefits from constrained layer damping, a system that uses internal braces joined by a ‘lossy’ interface. This material converts unwanted vibration into heat, ensuring that the cabinet makes the only sound it needs to: the sound of silence.

True Bass Definition

R Series bass drivers have a two-part structure with a shallow, concave, aluminum skin atop a paper cone. This stiffness, combined with the cone’s unique geometry, achieves a piston-like movement for punch and speed. The drivers’ magnet system creates a broad and uniform magnetic field which means more impressive and impactful bass.

Flexible Port for Cleaner Bass

We only want to hear the drivers, not the resonances or turbulence created by a bass port. The R Series ports have innovative flexible walls. Using computational fluid dynamics, the flare and profile of each port is calculated to delay the onset of turbulence and the flexible port walls prevent resonances from coloring the midrange.

Specifications

  • Design: Three-way bass reflex
  • Uni-Q Driver Array
    • HF: 25 mm (1 in.) vented aluminium dome with MAT
    • MF: 125 mm (5 in.) aluminium cone
  • Bass Unit: LF: 2 x 165 mm (6.5 in.) hybrid aluminium cone
  • Crossover Frequency: 400 Hz, 2.4 kHz
  • Frequency Range (-6dB): 33 Hz - 50 kHz
  • Typical In-Room Bass Response (-6dB): 27 Hz
  • Frequency Response (±3dB): 48 Hz - 28 kHz
  • Harmonic Distortion (90dB, 1m)
    • <1% 76 Hz and above
    • <0.5% 110 Hz - 20 kHz
  • Maximum Output: 111 dB
  • Amplifier Requirements: 15 - 250W
  • Nominal Impedance: 4 O (min. 3.2 O)
  • Sensitivity (2.83V/1m): 88 dB
  • Weight: 64.6 lbs.
  • Dimensions with Terminal (W x H x D): 7.9 x 41.8 x 15.1”
  • Dimensions with Terminal & Plinth (W x H x D): 12.2 x 43.7 x 15.1”

What's In The Box

  • R7 Meta Floorstanding Speaker - Each
  • Microfiber Grille
  • Plinth & Spike Accessories
  • Port Bungs
  • Manual
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