Boxe KEF R11 Meta Walnut

KEFVariantă: Walnut Cod: SP4056W0AA
Preț de listă 30.689 lei 22.999 lei
Transport gratuit
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Garantie 24 luni
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Caracteristici principale

  • Cel mai mare model din seria R combină patru drivere de bas și cea mai recentă generație Uni-Q pentru un sunet plin de impact și rafinament
  • Cu drivere de bas hibride din aluminiu și un Uni-Q de a 12-a generație pentru medii și înalte, puternicul R11 este extrem de intens si versatil
  • Folosind tehnologia de la KEF Reference, oferă claritate, finețe și un bas impetuos
Specificații tehnice

Alte specificații

Boxa de podea, design pe 3 cai, bas-reflex

Difuzoare inalte: 225 mm (1 in.) vented aluminium dome with MAT

Difuzoare medii: 125 mm (5 in.) aluminium cone Bass Unit

Difuzoare bas: 4 x 165 mm (6.5 in.) hybrid aluminium cone

Raspuns in frecventa: 46 Hz - 28 kHz

Sensibilitate (2,83V/1 m): 90 dB

Putere recomandata: 15 - 300W

Impedanta nominala: 4 Ω (min. 3.2 Ω)

Frecventa crossover: 330 Hz, 2.5 kHz

Dimensiuni: 1062 x 200 x 384 mm

Garanție (luni)


Suntem mândri să anunțăm că EISA a onorat KEF LSX II cu premiul Wireless Bookshelf Loudspeakers și seria R cu premiul Loudspeaker Serie în categoriile sale pentru cel mai bun produs 2023 - 2024.

Felicitari KEF!


R Series: Born from The Reference

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 short 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.


Performance redefined

The R Series is engineered to be acoustically exceptional. Every element of the design has been precisely tuned to deliver more detail and deeper insight, recreating the exhilaration of hearing an original music performance, with all the emotion and nuance that goes with it.


Strength and versatility in numbers

R Series offers a choice of floorstanding speakers, bookshelf speakers, centre channel speakers and accompanying home theatre models. Each one offers the finest sound KEF has ever delivered in its category, whatever the dimensions of the room or system configuration.

Stereo for Music

The R Series consists of a trio of floorstanding speakers and a bookshelf speaker to reproduce high-fidelity stereo sound for your favourite music. Discover depth and detail you never knew existed – from the scrape of a plectrum on a guitar string to the emotion and atmosphere of a live performance.

Multi Channel Home Theatre

For the greatest movie experience at home, KEF offers both architectural speakers and modular HiFi speakers, such as the R Series, that don’t need custom installation. With three floorstanding speaker models, one bookshelf speaker model and two centre channel speakers to choose from, plus the additional Dolby Atmos surround speaker, different home theatre set-ups can be easily configured with the R Series. Complete the set-up with KEF’s class-leading subwoofers to feel the most immersive cinematic experience, from the deepest rumble to the softest whisper.

Dolby Atmos. Effortlessly.

Sense everything and truly be inside the action. By incorporating the R8 Meta up-firing Dolby Atmos-enabled speaker module onto front and rear satellites, a staggeringly realistic and multi-dimensional soundstage is created – hear the immersive sounds of overhead helicopters whirling above, feel the exhilaration of flying and swinging alongside superheroes, and let the captivating music wrap around you.

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, aluminium 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 colouring the midrange.


Beautiful by design

Driven purely by acoustics, at KEF we believe there is a certain beauty even to the internal engineering fixings. The R Series has been created to be beautiful on the outside, and these finely tuned workings are protected behind a minimal exterior designed to fit seamlessly and elegantly into any interior scheme, whether traditional, modern or contemporary.

Finished to Perfection

Three carefully selected finishes include sleek Black Gloss, White Gloss and classic Walnut, while special edition finishes include Titanium Gloss and Indigo Gloss for the R7 Meta and R3 Meta respectively.

Dedicated microfibre grilles

The R Series has been engineered to perform with or without grilles. The dedicated microfibre grilles are crafted from multiple layers of material and have a suede-like feel. With 1801 precision-cut holes for each driver, performance is ensured even when the drivers are covered. The magnetic fixings provide a secure and precise fit, in keeping with the clean styling of the R Series.

Technical Specifications

Design: Three-way bass reflex

Sensitivity (2.83V/1m): 90dB

Frequency range (-6dB): 30Hz - 50kHz

Typical in-room bass response (-6dB): 26Hz

Frequency Response (±3dB): 46 Hz - 28 kHz

Amplifier power (recommended): 15-300W

Harmonic distortion (90dB, 1m):
<1% 33 Hz and above
<0.5% 80 Hz - 20 kHz

Crossover frequency: 330 Hz, 2.5 kHz

Drive units:
Uni-Q Driver Array:
HF: 25 mm (1 in.) vented aluminium dome
with MAT
MF: 125 mm (5 in.) aluminium cone
Bass Unit:
LF: 4 x 165 mm (6.5 in.) hybrid aluminium cone

Maximum Output: 113dB

Nominal impedance: 4 Ω (min. 3.2 Ω)

Dimensions (H x W x D): 1249 x 200 x 384 mm (49.2 x 7.9 x 15.1 in.)

Dimensions (H x W x D) with terminal with Plinth: 1296 x 311 x 384 mm (51.0 x 12.2 x 15.1 in.)

Net Weight: 36.5 kg (80.5 lbs

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