Well, then your setup can use the same suggestions/improvement
.Yes this is important. That said, having met this criteria doesn't mean the system is immune to small room acoustics. You make it sound like the cabinet is acoustically transparent
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It is generally understood that uncontrolled first reflection sound detracts from the mains. Floor and ceiling reflections must absolutely be controlled. First refection from front and side walls creates soundstage. It is well understood that strong first first reflection from front and side walls detracts from the listening experience. Hard floors and walls are a recipe for strong first reflections. In personal setups, the ratio of main to reflected energy is a matter of taste, some may consider it appealing to have stronger reverberant field. In a professional setting, there are guidelines for it and the optimal Reverberation Time of a room.
Assuming there is just a couch and throw rug in that room, there will not be sufficient absorbing of sound energy. Most likely, there is too much reflected energy/ bass ringing for you to perceive the soundstage imbalance created by the cabinet.
A simple Google image search will show that serious listening rooms have symmetric front layout and a judicious application of absorbers/diffusers at first reflection points.
Yet, you are talking the complete opposite direction, minimal or no acoustical energy control in a reverberant room. This is equally undesired.
A small room will have strong modal ringing below the Schroeder Frequency and reflections above. One can't be above audio science.
What the heck is a "normal room"? Other than that, I'd like to watch it before commenting on what's said therein. Can you link the specific video please?
