Yep I’d agree with that. Tend to not rate most speakers at shows, or at least that particular setup of them. For me there’s normally only a few rooms I’d stay for more than a track. But then others might not like my choices. The thread from Cranage recently showed that. Lot of people raving about big expensive setups I found pretty garbage tbh...
Ive no experience with ribbons, would to try one day if I find any for sensible money, be worth a test. But the drivers I’ve used from sb, beryllium tweeters, some midwoofers and subs have all been very good.
Whether he can mate those 2 drivers together will be a lot to do with the crossover design and just how good he is, I agree they don’t look like the easiest drivers to mate up. But I wouldn’t have thought a 2 way standmount would work well with a 9.5” midwoofer, looks good in the Helios though and something I’d really like to build sometime