The dynamics of horns at low levels make them ideal for a small room. At louder levels, they should have a bigger room but with room treatments,you can compensate for a small room.
The room pictured is 14x13x9'7"
McIntosh MC7270 amp C2200 preamp, Klipschorns, Belles, Cornwalls, Heresies, Heart CD6000, VPI Scout, Oppo 980, Stereo-Link USBDAC, DBX-3BX, Kimber Hero IC &8TC speaker cable, Cornwall Vault