R SERIES
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NOW WITH METAMATERIAL ABSORPTION TECHNOLOGY Developed for KEF’s flagship The Reference, a suite of the latest technologies has now made its way into the new generation of the R Series. Whether in stereo for music or in a home theatre set up, the R Series makes exceptional acoustic performance more accessible. Now with the groundbreaking Metamaterial Absorption Technology, the R Series reveals exquisite detail and incredible insight: truly an experience to savour.

PERFORMANCE REDEFINED. AN ICON BORN FROM THE REFERENCE.

R S ERIES : BORN FROM THE REFEREN CE Since 1961, KEF’s quest to reproduce immaculate sound has led to many acoustic innovations. The Reference is a case in point. Distilling decades of experience into an acoustic performance that is nothing shor t of exceptional it is a design that continually sets the benchmark for loudspeakers and sound reproduction. Now the latest technological innovations have also made their way into the R Series. Combined with bespoke technologies, the R Series makes high performance audio more versatile and accessible than ever – whether in stereo for music or in a...

RE VOLUTI ONARY SOU ND ABSORP TI ON WITH MAT ™ A revolutionary tool in the KEF acoustic armoury, MAT TM breaks completely new ground in speaker design. Metamaterial Absorption Technology is a highly complex maze-like structure, where each of the intricate channels efficiently absorbs a specific frequency. When combined, the channels act as an acoustic black hole, absorbing 99% of the unwanted sound that comes from the rear of the tweeter, eliminating distortion and providing a more natural acoustic performance. Metamaterials are specially developed structures that use existing materials in...

S IT ANY WHER E , HE AR EVERY DETA I L The building block of KEF signature sound, Uni-Q Derived directly from The Reference, the R Series technology disperses sound more evenly throughout incorporates Shadow Flare, a precision designed the room. By placing the tweeter precisely at the surface that extends the waveguide effect of the acoustic centre of the bass/midrange cone, both act Uni-Q driver array and allows it to work to its together as a single point source, eliminating the limited highest potential. ‘sweet spot’ and instead allowing everybody, no matter where in the room they are...

When listening to music, the quality of the bass can When it comes to listening to music through define the whole experience. The low-frequency drivers a speaker, it should only be the drivers we hear, of the R Series have been duly engineered with acute not the resonances or turbulence created by Built using a two-part structure, a shallow concave The innovative flexible walls of the R Series ports aluminium skin sits atop a paper cone. The metal’s prevent longitudinal resonances from colouring the stiffness combined with the cone’s unique geometry midrange. Meanwhile, using computational...

PERFORMAN CE CRITI C AL DAMPIN G Powerful drivers can easily cause the cabinet walls to make a noise of their own - noise that was never in the recording in the first place. For this reason, a solid platform is imperative. Working alongside the bespoke internal bracing layout, KEF’s Constrained Layer Damping is a sophisticated bracing system that ensures the cabinet stays inert by connecting the bracing to the drivers and cabinet by a lossy material. This material converts vibration into heat, ensuring that the cabinet makes the only sound it needs to: the sound of silence.

When we immerse ourselves in music, we don’t just that will likely make you love it more – from the scrape listen to it but feel it. Then it has the power to alter of plectrum on guitar string, the changes of vibrato our moods, to move our souls, and can be one of the in a voice, to the sense of emotion and atmosphere in greatest pleasures in life. This feeling is the driving force behind KEF’s quest to develop the ultimate loudspeaker – a goal that we have spent more than Delivering sound that is natural and accurate – the performance as intended by the artist – the R Series consists of a...

FLOOR S TAND ING S PE AK ER S For different size of room and configuration, a trio of room-filling floorstanding speakers is offered in R Series. R11 Meta For a breathtaking listening experience, the R11 Meta is the R Series flagship floorstander. In a three-way design it boasts four 165mm (6.5 in) hybrid aluminium bass drivers, allowing it to dig deep into the sound and retrieve an exceptionally clean performance. R11 can pick out the softest details with grace and refinement, while delivering raw power and strength. This is due to the 12th generation Uni-Q driver array with MAT nestled in...

BOOK S HELF S PE AK ER A compact speaker with expansive sound, the bookshelf model and its optional floor stand are perfectly suited to a smaller listening space. R3 Meta A compact speaker, the size of the R3 Meta belies its power. Defying all expectations, this true three-way speaker redefines stand-mount performance. The R3 Meta share the same drivers as the range-topping R11 Meta. The 165mm (6.5 in) bass driver pushes bass performance to new extremes while the 125mm (5 in) midrange driver and 25mm (1 in) aluminium dome tweeter creates the 12th generation Uni-Q array, now with MAT for a...

CINEMATIC SOUND Listen, and be there. Whether ‘there’ is a white-knuckle arrays are deployed across all the R Series models, chase through the backstreets of Bangkok, the cacophony creating consistent sound character and making sure of nature in a tropical rainforest or the royal box at all the focus is on the film and not the equipment the Vienna Philharmonic – the R Series transports you, delivering an immersive, meticulously engineered soundscape that will bring your entertainment to life. With two centre speakers, speech and vocals are delivered with crystal clarity. Add a Dolby...

H OME THE ATRE Complete your home theatre set up to ensure you never miss a moment of the drama or dialogue. CENTRE SPEAKERS R6 Meta The flagship centre speaker of the R Series, the R6 Meta is a three-way design featuring the same 12th generation Uni-Q driver array with MAT as the R Series stereo models. This is a model that recreates every nuance, whilst matching the rest of the range tonally. Designed to be used in an LCR configuration, the R6 Meta is effortlessly versatile. Thanks to twin, powerful 165mm (6.5 in) hybrid aluminium bass drivers, every sound is perfectly reproduced to...