Clavil's specific critical findings had me spending a good part of the weekend listening to strings (solo, small ensemble and massed):
Salvatore Accardo on Fonè/Signoricci vinyl (Paganini);
Stuttgarter Kammerorchester on Tacet vinyl (various composers, including the strange "Battalia à 10" by Biber: better make sure your system plays correct or this becomes downright unlistenable);
RSO Stuttgart on Hänssler cd (Haydn);
so that should clear any questions on artistic as well as recording quality.
Details of the gear used can be seen on my system page. I notified the neighbours that I would be pumping up the volume, way up now and then.
In short, I'm happy to say even when I deliberately tried to make my Contrivas sound hard or congested, let alone sound like a synthesizer on classical music, I couldn't manage to do so. (Make no mistake, they will pound and whine and screech when I play, say, Squarepusher working himself into a frenzy where they are meant to screech.)
Searching for cable influence, I tried two different looms. With Purist Venustas violins did sound "sweeter" than with Virtual Dynamics Revelation, and if I would mainly be listening to strings, Venustas would surely find their way back into the system. With piano Revelation has the edge in my system and is presently standard cabling between preamp, amp and speakers. I expressly also mention piano here since we actually chose the Contrivas i.a. because of the way they render piano, not in spite of it.
I guess to the OP this must appear confusing. Nevertheless, I must and can only describe what I hear and have had many occasions to confirm in comparison with a goodly number of other speakers over the last few years. To me, the Contrivas now in their 3rd generation remain class reference, no matter what you listen to, as references should.