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2699.99

R7

CA $ 2,699.99

Mid-sized three-way floorstander

The R7 is the mid-sized floorstander in KEF's new R Series, very powerful yet not too large it brings music and movies to life.

With a pair of 165mm (6.5 in.) hybrid aluminium bass drivers and a Uni-Q combining a 125mm (5 in.) midrange driver and 25mm (1 in.) aluminium dome tweeter, R7 outperforms all expectations.

Priced as a SINGLE speaker, please add two to your cart.

Product Features
KEF R Series three way mid size floorstanding speaker KEF R Series three way mid size floorstanding speaker
TECHNOLOGY
THE SCIENCE OF SOUND
Uni-Q
The evolution of KEF's Uni-Q driver reaches its 12th generation in the R Series. Using simulation and analysis tools KEF’s engineers have been able to dramatically reduce colouration by cutting resonance in the tiny gaps between Uni-Q’s elements. The result is purer and more precise sound with stronger imaging.
KEF R Series 12th generation Uni-Q driver
Shadow Flare
The 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.
KEF R Series shadowflare
Low Frequency Drivers
R Series bass drivers have a two-part structure with a shallow concave aluminium skin atop a paper cone. Combine this stiffness with the cone’s unique geometry and you get near pistonic movement for punch and speed. KEF has also increased linearity in the magnet system which means more impressive and impactful bass.
KEF R Series Woofers
Flexible Port Technology
When it comes to generating deep, articulate bass, port design is crucial. 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 colouring the midrange.
KEF R Series flexible port reduce turbulence
Cabinet Bracing
A solid platform is imperative for great sound. The new R Series benefits from Constrained layer damping. This system utilises internal braces joined by a ‘lossy’ interface and is highly effective at dissipating unwanted vibrations that would otherwise artificially change the sound and music.
KEF R Series cabinet has been designed to dissipate unwanted vibrations
Microfibre Grilles
The R Series was created to sound its best with or without grilles. The microfibre grille design is a first for KEF and not only looks beautiful but has a negligible effect on performance. They continue the tone-on-tone approach to match the various cabinet finishes and the edges are burnished for a suede-like effect.
KEF R Series Microfiber grilles
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Spec
Model R7
Design Three-way bass reflex
Drive Units Uni-Q Driver Array:
HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium cone
Bass Driver:
LF: 2 x 165mm (6.5in.) hybrid aluminium
Crossover frequency 400Hz, 2.9kHz
Frequency range (-6dB)
Typical in-room bass response (-6dB)
33Hz - 50kHz
27Hz
Frequency response (±3dB) 48Hz - 28kHz
Harmonic distortion (90dB, 1m) <0.3% 100Hz - 20kHz
Maximum output 110dB
Amplifier power (recommended) 15 - 250W
Nominal Impedance 8Ω (min.3.2Ω)
Sensitivity (2.83V/1m) 88dB
Weight * 31.4 kg (69.2 lbs.)
Dimension (H x W x D)
with terminal *
1062 x 200 x 383.5 mm
(41.8 x 7.9 x 15.1 in.)
Dimension (H x W x D)
with terminal with Plinth *
1108.9 x 310.6 x 383.5 mm
(43.7 x 12.2 x 15.1 in.)
Finishes Black Gloss / White Gloss / Walnut

* Measurement per unit

** KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. **

Downloads
R Series Brochure Open In New Window
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R Series Info Sheet Open In New Window
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R Series White Paper Open In New Window
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