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KEF R7

KEF R7

34 990 kr / par
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34 990 kr Centrallager
34 990 kr Centrallager
34 990 kr Centrallager
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Produktbeskrivning

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.


THE ONLY THING TO REMAIN THE SAMEIS THE NAME

The new KEF R Series has been completely re-engineered from the ground up. Decades of experience and our unbridled passion for music come together in the new R Series. Combining innovations from the Reference Series with bespoke technologies the new R Series delivers more detail, deeper insight and greater excitement.

THE R SERIES

R Series offers a choice of three floorstanding speakers, a stand mount for more compact spaces and accompanying matching theatre models. Each one offers the finest sound KEF has ever delivered in its category whatever the dimensions of the room or system configuration.

R STARTS WITH REFERENCE

At KEF the Reference Series is the home of cutting-edge technological innovation. This is the result of diligent, creative research and development by the very best engineers in the business. The new R Series benefits from many of the technologies, materials and developments created for the Reference Series.

FEEL THE MUSIC

When you want to forget the world and simply lose yourself in sound, R Series will take you there. At KEF, the quest to develop perfect loudspeakers has lasted more than 50 years. Like you, we don’t just want to hear music; we want to experience it, get inside it and feel part of it.


Beautiful by Design

Form follows function in KEF loudspeakers, so while the R Series is driven by acoustics all fixings are hidden, so all you see is a beautiful, clean exterior. The R Series comes in two sleek gloss finishes or a classic wood veneer and KEF’s tone-on-tone style means that the details are colour-matched to the finish.

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.

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.

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.

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.

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.



SPECIFIKATIONER

Design Three-way bass re§ex

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 distorition <0.3% 120Hz - 20kHz

Maximum output 111dB
Ampli‘er 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

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