I owned Liveing Voice OBX (not R) and the ART Emotion Signature with upgraded Kondo binding posts and wiring, it was one of the worst things I did when I sold the ART speakers! The LV never did anything for me and even though they were very efficient they required more power than you would think.
(Dealer disclaimer - but don't sell either LV or ART products)
(Dealer disclaimer - but don't sell either LV or ART products)