![]() Agnes Obel’s intimate, otherworldly vocals on her Aventine album come through crystal clear and sound beautifully nuanced. The soundstage is wide open, giving breathing space to complex arrangements such as Radiohead’s 15 Step as well as Ólafur Arnald’s sparser piano pieces such as Ljósið, where you can get lost in the meditative, melancholy composition. ![]() The KEF speakers don’t just grab your attention from the start, they keep the momentum going over long periods of listening. And yes, we are proven right in our lofty expectations: you can instantly hear the impact that the inclusion of the MAT technology has in these speakers. ![]() The even tonal balance and insight we liked so much in the LS50 Meta (and the older R3s) are present here, but with an additional layer of refinement, weight and openness that is instantly apparent. The R3 Metas simply flow with every type of music thrown at them. The micro fibre grilles with precision-cut holes are designed to deliver maximum performance (and style) when the speakers are covered. All of this to deliver an even more transparent sound than before.Įlsewhere, the bass reflex port and bi-wire speaker terminals return on the back panel. These include a refined tweeter gap damper for improved resonance control, more flexible decoupling chassis for better vibration dampening, an enhanced crossover design and a fine-tuned signal path. The R3 Meta’s Uni-Q driver array has also been modified to accommodate the new MAT structure behind the tweeter. The MAT technology has also won its own What Hi-Fi? Innovation of the Year Award, such is its proven impact. It has made a huge difference in the speakers we have heard that have it (from the LS50 Meta to the similarly Award-winning LS50 Wireless II speakers). The result? Less distortion, clearer highs. KEF claims that MAT (made up of 30 tubes, each designed to absorb a particular high frequency) absorbs 99 per cent of these distorting sound waves. MAT is a puck-sized, maze-like plastic structure that sits behind the tweeter and absorbs the unwanted backward radiation from the tweeter into the cabinet. After its debut and success with the Award-winning LS50 Meta speakers (which sit below the R Series), it was inevitable that this revamped range would incorporate this MAT technology. Drive units Uni-Q driver array (25mm tweeter, 12.5cm midrange), 16.5cm bassįinishes x4 (black gloss, white gloss, walnut, indigo gloss special edition)Īnother key improvement here is the inclusion of the aforementioned MAT (Metamaterial Absorption Technology).
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