The introduction of the R Series in 2012 not only brought KEF's new UniQ technology designed for the Blade model to an affordable price point, but also introduced exceptional build and finish quality too. The new, completely redesigned R Series from KEF not only takes things a step further, but sets the new range closer to the Reference range than the previous R Series with regards to outright performance.

kef r5 loudspeakers

From a tonal point of view, it was obvious that the previous R Series came from the same family as the Blade and Reference models. Bass quantity and depth that belied their dimensions, smooth midrange reproduction, and detailed but inoffensive high frequencies - all designed around the 'apparent point source' approach of the KEF Blade loudspeakers.

Now, the new R Series for 2018 has been completely redesigned and updated to incorporate many technology features from the Reference Series including Shadow Flare UniQ surround and offset rear reflex ports, as well as a few new ones too.

exploded view of KEF's new 12th generation UniQ driver,

UniQ two-way array

Originally introduced in 1988 with the C Series, KEF's dual concentric UniQ technology has now had 30 years of improvement and refinement, resulting in the new UniQ now used in the new R Series. This 12th generation UniQ now plays lower and louder than previous versions, as well as sounding cleaner too.

The R5 is a four driver, three-way design, based around the above UniQ driver array comprising of a 1" aluminium HF unit placed in the centre of a 5" midrange driver, giving a "point source" sound reproduction for all frequencies from 400Hz up to 50kHz and beyond.

The UniQ array improves imaging and focus, and removes issues associated with the usual vertical driver array of most conventional speakers. It's basically taking the d'Appolito arrangement, improving it, and producing its benefits throughout 360 degrees rather than just vertically.

The midrange cone also acts as a waveguide for the HF unit, and along with the Shadow Flare - a feature first developed for the Reference range - controls high frequency dispersion, and reduces reflections from side walls, ceilings, and floors. Together, they help you to hear more of your speaker's natural output and less of the room's interference.

The new midrange driver for the 2018 R Series has a longer throw (by 50%), allowing it to play lower and louder.

Two lightweight 5.25" aluminium bass drivers - one either side of the UniQ driver array - provide all frequencies below 400Hz, and because they only have to reproduce a limited frequency range, they can do so in a more accurate, controlled manner.

Add to this a KEF Reference based high quality crossover, and you end up with a 2018 R Series that has more in common with the existing Reference range than it does with the previous R Series.

KEF R5 loudspeakers in white, KEF R Series in Birmingham, KEF in Birmingham, KEF in the Midlands, KEF at the little audio company in Birmingham,

The R5 model is a three-way, dual rear ported design. This is to fully utilise the rear wall's influence in producing the strong, deep bass response throughout the range, and also removes any possibility of midrange frequencies leaking from a front port - this would undo all the work gone into making the R5 a predominantly "point source" loudspeaker, and spoiling the uncluttered front fascia.

The luxurious gloss finish of the black or white finish will suit modern rooms and furniture, whereas the smooth, walnut wood veneer finish will help blend in to more with classic looking surroundings.

The walnut finishes utilises copper colour drivers and trims.

KEF R5 loudspeakers shown in walnut, the little audio company,
KEF R5 loudspeakers shown in walnut with grille, the little audio company,

The R5 model is available in gloss white and gloss black, and satin walnut real wood veneer.

£2000 / pair

KEF R5 loudspeakers shown in high gloss black, the little audio company,
KEF R5 loudspeakers shown in high gloss black, the little audio company,
  • three-way design

  • 1" aluminium HF unit

  • 5" midrange driver

  • 5.25" aluminium LF units

  • dual rear ported cabinet

  • 52Hz-28kHz (+/-3dB)

  • 87dB sensitivity

  • 8ohms impedance (3.2)

  • H1025mm x W175mm x D360mm

  • H1071.4mm incl. feet

  • 5 year warranty

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