I have auditioned the Avalon Indras finally.
Here are my thoughts.
Firstly , I think that Sonus Faber may be a little generous with their sensitivity. The 87 db Indra feel louder than the Sonus faber by a healthy margin.
The cremona M is a great speaker;especially the beautiful midrange. It's bass, as always could be better but is more than adequate. It is coherent . It is slightly rolled off and pleasant. While listening, you feel the performance and do not appear to be too concerned with minor details.
The Avalon Indra feels like a veil is lifted off the Sonus Faber! Coherent, holographic, great bass extension. Sweet midrange as well; less "soft" than the Sonus Faber's. I would say that both are very good with personal preferences taking precedence over which is "better".
The musical experience is "more" It is not boring to listen too and yet is relaxing as well.
This is truly a marvelous speaker. For what it is worth, I listened to a Wilson Watt/Puppy 8 on a far more expensive system (Shindo and Brinkmann Balance) and my humble system with these speakers were more enjoyable and engaging. I think these speakers are "better" than the Wilsons.
I have heard Pro Ac's D80...not in the same league. I have also heard JM labs Electra 1027, 1037, and Altos. Dynaudio as well.
I have not heard anything in this league. WOW. I am sold. I am going to exchange my Cremona's for the Indras!
Bobby