Thanks Lee. I noted the dimensions from this previous post.
For my taste personally, aesthetically the room is a success. I haven't heard it so couldn't comment in that regard.
Construction wise, I believe that they have built this room within a manufacturing facility, so presumably a false...
Looking at the images from the video it looks like the room has been built with venting along the bottom edge and the top edge of the room. In effect helmholtz resonators. One assumes that these boxes will be built to a size and specification that is tuned to trap and absorb bass frequencies...