Currently I'm running a pair of Paradigm Studio 20's at about 6 foot height angled in about 45 degrees (horizontal, not down). I have a second pair of these and I'm thinking/asking/thoughts about stacking them with the others all on their side, two pointing forward and two still angled in to give more coverage in the room. Does this make sense ? I can just wire them speaker to speaker, running with an Alesis RA300 which can do 4 ohm. Small speakers on the left wall of this quick room quick sketch.