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KEF R900

Kef R900

Floorstanding speaker offers a remarkable sweet and accurate sound.

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€ 3,169.00

Kef R900

With the R900 twin 8-inch LF drivers positioned perfectly either side of the remarkably sweet and accurate latest generation Uni-Q driver array, the KEF R900 ensures an incredible scale and depth. Upper registers are articulated with flawless precision, whilst the bass drivers maintain authoritative control over the LF – providing undistorted, earth moving realism and accuracy that will awaken your very soul.


Amazingly fast and clean mid-range response. Startlingly pure high frequencies. All operating as a single perfectly integrated voice to deliver sweet accurate sounds of unprecedented clarity.

The new Uni-Q driver array is nothing short of a masterpiece.

Kef R900 Floorstanding speaker

Unlike conventional speakers the mid-range cones are rigid magnesium/aluminum constructions that reduce breakup problems. The new mid-range Z-flex surround smoothes the tweeter transition to the front baffle which results in undistorted high frequencies.

Large voice coils increase power handling and dynamics, reducing distortion and delivering exceptional vocal clarity.

Venting the tweeters reduces pressure behind the dome increasing midrange bandwidth and lowering distortion. Upper registers are articulated with flawless precision. KEF’s tangerine waveguide helps disperse higher frequencies evenly across a wider angle to flood the room with a sophisticated refreshingly natural sound field.

Dynamic uncompressed and undistorted bass of heart pounding clarity envelops you striking deep emotional chords. Your soul will awaken. And the earth will move.

Bass driver
Massive vented magnet assemblies and large aluminum voice coils drive the lightweight yet stiff strong hybrid cones. Bass output is faster cleaner and more accurate. Satin anodised elements contribute to the units elegance while the diameter of the trim ring accentuates a visual sophistication that belies the speakers awesome power.

Force cancelling drivers avoid cabinet agitation. Opposing reactive forces are nullified by rigidly mounting the low frequency drivers back-to-back.

Designed from the ground up the R series is a towering leap forward that creates a new dimension in sonic authenticity.

The geometry and bracing of the enclosure optimises vibrational behavior reducing secondary radiation from cabinet walls for a cleaner sound. Damping panels further minimize cabinet resonance and colouration.

Front baffles are clean with no visible screws. Grilles are fixed magnetically. Available in real Walnut and Rosewood veneers or highly polished Piano Black the R Series complements the home as much as it respects the music.

A little finesse goes a long way to delivering a big impact. Every aspect of the R Series has been considered in the creation of a superb audio experience.

Adjustable die cast aluminum feet support steel spikes with integrated locking knobs for easy height adjustment. Nickel plated bi-wire connectors with terminal linking control allow all standard connection methods and provide easy reliable connection.

The geometry of the reflex ports has been tuned to minimize turbulence at high levels reducing port noise and low frequency compression.

The R Series presents the high-end technologies of KEF Blade in a timeless elegant format. Serious
audiophiles can now enjoy phenomenally accurate reproduction that neither adds nor subtracts from
the original recording. Indulge in a near-Reference experience at a price that will also be music to your ears.

Refined spacious and exquisitely detailed you wont just hear music the way it was intended it to be… youll live it feel it and love it.

Kef R900 Floorstanding speaker

Model R900
Design Three-way bass reflex
Drive units Uni-Q driver array: HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium
Bass units: LF: 2 x 200mm (8in.) aluminium
Frequency range (-6dB) 35Hz - 45kHz
Frequency response (±3dB) 40Hz - 28kHz
Crossover frequency 400Hz, 2.9kHz
Amplifier requirements 25 - 250 W
Sensitivity (2.83V/1m) 90dB
Harmonic distortion 2nd & 3rd harmonics (90dB, 1m) <0.4% 80Hz-20kHz
Maximum output 115dB
Nominal impedance 8Ω (min. 3.7Ω)
Weight 29.5kg (65lbs.)

Dimension (H x W x D)
(with grille and terminal) 1130 x 240 x 365 mm
(44.5 x 9.4 x 14.4 in.)
Dimension (H x W x D)
(with grille, terminal & plinth) 1181 x 359 x 388 mm
(46.5 x 14.1 x 15.3 in.)


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