I have been unable to find any measurements such as spinorama or any thing regarding Sonus Faber Olympica Nova speakers, many subjective reviews and opinions but no science!
Except for this one
https://www.hifinews.com/content/sonus-faber-olympica-nova-v-loudspeaker
and it doesn’t look good!
Here are other subjective reviews
https://www.whathifi.com/us/reviews/sonus-faber-olympica-nova-ii
https://www.audio-head.com/review-sonus-faber-olympica-nova-iii-loudspeaker/amp/
https://www.theabsolutesound.com/articles/sonus-faber-olympica-nova-iii-loudspeaker
Except for this one
https://www.hifinews.com/content/sonus-faber-olympica-nova-v-loudspeaker
and it doesn’t look good!
Here are other subjective reviews
https://www.whathifi.com/us/reviews/sonus-faber-olympica-nova-ii
https://www.audio-head.com/review-sonus-faber-olympica-nova-iii-loudspeaker/amp/
https://www.theabsolutesound.com/articles/sonus-faber-olympica-nova-iii-loudspeaker