Lyngdorf Audio MP-50 Owner's Manual page 40

Side view of room
•
the microphone should not be closer than 0.5m/1.5ft from the floor, ceiling, and walls.
•
the microphone should be at least 1m/3ft from the front of the loudspeakers.
•
there should be at least 50cm/1.5ft between each measurement.
•
do not take symmetrical measurements in the room.
Top view of room
40