I'm going to guess you have 8 foot ceilings (2.5 M), which would be good. If you have 3.3 meter ceilings that can create a problem for you as it is the same as one of your other dimensions. Greg suggestions are correct--get a rug--a remnant area rug to cover at least 50% of the area on the floor. You will also need to get rid of the first reflection on the side wall and probably the rear wall. One cheap way to do this is to buy one of those egg crate mattress pads. Cut it into 1 meter squares (or whatever size that seems reasonable to combat the 1st reflection). Also put a larger (maybe 1 x 2 meters) behind the listener on the back wall. If you want to make it look decent just build a wooden frame and cover it with cloth. This works pretty well for high frequency problems--which by your comments sounds like the majority of the problem. For low frequency it's not so easy, but you can build some effective bass traps to go near the corners behind the speakers. For this, a frame that will hold newspaper where the edges of the paper is exposed. The size effects the amount of absorbing--about 1 meter high is what I have used. Fill the frame with folded newspaper put a top on it (just for looks) then cover it in cloth. This is a pretty effective bass trap--not as good as RPG or other commercially available products--but you'ld be surprised how well this works for 100 Hz on up.
JMLAB MINI UTOPIA and ROOM PROBLEMS
i have JMLab Mini Utopia driven by YBA 1a pre power combination and YBA 2 CD (soon to be upgrated to YBA 1D )
My whlole set up is placed on a room of 4,40m L and 3,30m W speakers are placed 1,20m from tha back wall.Speakers are placed on the long wall
i listen from the adjasent room which is separated from the stereo set up room by a sliding door
the door is open and this leaves an opening of 2,10meters
The problem is that in the room of the stereo i dont have many furnitures except two big columns for cd storage 90 cm width and 1,60m height put in the corners of the room and almost nothing else
the problem is that the room has a very prominent echo character which masks the sound
any help for treating this problem without spending a fortune on RPG or similar diffusors or absorbers would be of great help
My whlole set up is placed on a room of 4,40m L and 3,30m W speakers are placed 1,20m from tha back wall.Speakers are placed on the long wall
i listen from the adjasent room which is separated from the stereo set up room by a sliding door
the door is open and this leaves an opening of 2,10meters
The problem is that in the room of the stereo i dont have many furnitures except two big columns for cd storage 90 cm width and 1,60m height put in the corners of the room and almost nothing else
the problem is that the room has a very prominent echo character which masks the sound
any help for treating this problem without spending a fortune on RPG or similar diffusors or absorbers would be of great help
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