Assembled 4 more laminar control devices. My additional prediction as to placement was a mixed bag. These placements raised the soundstage too high and placed an acoustic tail over and behind my head. I already have one on the top of each speaker and 2 at chest level on my Sistrum Rack.
I then added 1 each on the speaker stand near the floor level and another directly on the floor at the speaker center.
The ones near or at floor level increased bass clarity and probably reduced interferece from the carpet piles. The ones on the rack and speaker added clarity like a comb filter with no additional brightness just more texture.
Next will be to add 1 to either outside edge of each speaker or if this is a negative place these same ones on the floor.Simple device with easily replaceable and removed results.