Boxe KEF R7
Varianta selectata: Piano Black Gloss
Cod produs: SP3999BA
9.999 lei 15.999 lei
- 30 de zile perioada de retur
- Garantie 24 luni
- Transport gratuit pentru comenzi peste 100 RON in Romania
- Livrare prin curier sau ridicare din showroom Bucuresti
Descriere
- Boxa de podea
- Difuzoare : 1 x tweeter 2.5 cm + 1 x medii 12.5 cm + 2 x woofer 16.5 cm - Design Coaxial
- Raspuns in frecventa : 33 Hz – 50 kHz
- Sensibilitate : 88dB ( 2.83V @ 1 m )
- Impedanta nominala: 8 ohm (min. 3.2ohm)
- Amplificare recomandata: 15-250 W
Alte informatii
The only thing to remain the same is the name
Flagship three-way floorstander
The largest model in the R Series combines four bass drivers and the latest generation Uni-Q for a powerful and refined sound. With hybrid aluminium bass drivers and a 12th generation Uni-Q for mid and treble the mighty R11is extremely capable. Using technology from KEF Reference it delivers clarity, finesse and serious bass.
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.
Sound is the real story
In the movie world, the best sound engineers are capable of weaving ever more wonderful sonic webs and the new R Series is your ticket for getting the best out of movies, delivering the natural, consistent sound essential for a phenomenal surround sound experience.
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.
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
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.
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.
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.
Technical Specifications
Design: Three-way bass reflex
Sensitivity (2.83V/1m): 88dB
Frequency range (-6dB): 33Hz - 50kHz
Typical in-room bass response (-6dB): 27Hz
Frequency Response (±3dB): 48Hz - 28kHz
Amplifier power (recommended): 15-250W
Harmonic distortion (90dB, 1m): <0.3% 120Hz - 20kHz
Crossover frequency: 400Hz, 2.9kHz
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
Maximum Output: 111dB
Nominal impedance: 8Ω (min.3.7Ω)
Dimensions (H x W x D): 1062 x 200 x 383.5 mm (41.8 x 7.9 x 15.1 in.)
Dimensions (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.)
Net Weight: 31.4 kg (69.2 lbs.)
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