Avalon Opus v Opus Ceramique

Go to the discussionforum of www.avalonacoustics.com

There they talk about the difference between these two models. In the end they recommend that if you have a smaller room then the Ceramique is the way to go.

Mbdeso, make a measurement which room modes create the standing waves and try to eliminate them with bass traps. The smaller the room the more problems you will have with the room modes.
Good luck!