I am breaking in the Bayz Audio Corantes (smaller brother of the Counterpoints) as we 'speak' and I have a "six pack" of 12" Rel Gibraltar G1s
(3 high x 2 channel) which I intend to integrate in the coming weeks. Stay Tuned.
I agree that fear, menace, and awe exist from 30 down to 15hz. My system and room does -3db to15hz.
However If you dismiss Bayz because they currently don't provide a sub design, you are missing the finest design I've ever heard, and certainly among the very best speakers at any price. The Courantes are clearly better to my ear than the best of Rockports current offerings; the Cygnus and the Lyra. (and everything else I've ever heard or owned). I've made a point to hear almost all of the contenders, and not just under show conditions, but in many cost no object dedicated systems.
P.S. I dont anticipate significant problems with integration of the REL towers and the Bayz, as the Rels are blindingly fast for a sealed enclusure design but they will most likely need relocation outside and behind the Bayz Courantes.
Below is my setup with my previous main speakers; the Rockport Cygnus:
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