KEF R3 Three-way Stand Mount (pair)

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Colour: Black Gloss
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Sale priceA$3,695.00
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Description

R3

Three-way stand mount

The R3 stand mount shares the same Uni-Q driver array as the range topping R11 in a full range design that defies expectations.

A true 3-way speaker the R3 has a powerful 165mm (6.5 in.) bass driver and a 125mm (5 in.) midrange driver with 25mm (1 in.) aluminium dome tweeter Uni-Q array that pushes performance to new extremes.

The Details


TECHNOLOGY
THE SCIENCE OF SOUND

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.

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.

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.

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.

Specifications

Weight

13.5 kg (29.8 lbs.)

Dimension (H x W x D)

422.2 x 199.6 x 335.5 mm (16.6 x 7.9 x 13.2 in.) with terminal*

Dimension (H x W x D)

422 x 199.6 x 312 Cabinet only

Design

Three-way bass reflex

Frequency Range

38Hz-50kHz (-6dB)

Typical In-Room Bass Response

30Hz (-6dB)

Frequency Response

58Hz-28kHz (±3dB)

Harmonic Distortion

<0.3% 130Hz-20kHz (90dB, 1m)

Maximum Output

110dB

Amplifier Power

15-180W

Nominal Impedance

8Ohms (min.3.2Ohms)

Drive Units

Uni-Q Driver Array:
HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium cone
Bass Driver:
LF: 165mm (6.5in.) hybrid aluminium

Crossover Frequencies

400Hz, 2.9kHz

Finishes

Black Gloss / White Gloss / Walnut

Downloads

R Series User Manual

R Series Information Sheet

R Series White Paper

R Series Brochure

Maintenance Guide for R Series Microfibre Grille

KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. * Measurement per unit


Awards & Reviews

 

BEST STANDMOUNT SPEAKER - AVTECH MEDIA

"Its totally 'together' presentation works across music genres, and has a weighty and well-controlled bass that everyone will love." — 2018

FULL REVIEW

BEST BUY AWARDS - WHAT HI-FI? 2019

‘The R3s are brilliant all-rounders.’

FULL REVIEW

PRODUCT OF THE YEAR - BEST STANDMOUNT SPEAKER WHAT HI-FI? SOUND AND VISION

"Arguably the most complete standmounters available at this price, the KEF R3s are exceptional performers"— 2018

FULL REVIEW

Reviews

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