Neutral is crucial if you want to reverberate dialogue and match it to something real. Few speakers when free standing like in the video, sound neutral on-axis at a couple of meters distance. You will find your speaker to be the most critical component.Decide if you would be satisfied if that were Altiverb. To test your setup on the location: play dry music through your speaker and compare the recording in the room to the dry recording.Carefully measure that everything is symmetrical, with large setups, a large error is easily made.
Space the microphones far apart, several meters if possible.
