Read through the (very detailed) white paper on the new series. Of course a lot of ad-speak, but it seems a lot of facts and illustrations to back it up. I should get to hear the R3 this weekend.
[url]http://us.kef.com/media/doc/r2018_whitepaper_en.pdf[/url]
[url]http://us.kef.com/media/doc/r2018_whitepaper_en.pdf[/url]

