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DIY Room Acoustics

I've now done about every tweak I can think of to my system, so I'm thinking about low cost Acoustic techniques. I have done some things but would like to hear your ideas and tricks you've had success with. My room is 20'x 14'x 8' and has a wood floor with an 15' x 10' wool rug in the middle. One side wall is a large window with a curtain, the other side wall is floor to ceiling book shelves full of books. The front wall (behind the speakers) is a fireplace, and the back wall (behind me) has french doors with a hutch in each corner. The sound (of the room, without music)in the middle and front of the room is fairly quite, on the dead side. The area behind my listening position, between me and the french doors is quite lively, almost bright. My listening position is somewhere in between. I have very good focus within the sound stage both wide and deep. The sound stage tends to extend a couple of feet beyond the speakers. The treble has at times been a very slight bit bright, but I've controlled it with furniture re-positioning, set at a angle to the wall. The bass has had extremely good focus at times, but right now is just a bit murky. All in all the sound is very natural and if I could just get that little bit of base focus back it would be the best in all categories that I've ever had. I do not have any "room acoustics products" incorporated and would like to stay away from them if possible. Cost and aesthetics are both strong constraints for me. Thank-you for your great input on my other questions, I look forward to both your facts and your voodoo, it's all good here! J.D.
jadem6

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jadem6 OP
1,074 posts
 
How is it I have a -1,0 on this post. I would like to know who voted and what on the original post ofended you. HEY AUDIOGON, LET'S GET RID OF THIS BULL AREADY!
jadem6's avatar
jadem6 OP
1,074 posts
 
Tom I would be willing to concider anything I guess. Two of my major concern points are 1) the side wall with the large window and 2) the front wall behind the speakers. Those have the greatest aesthetic inpact. The rear wall, behind me if tough only because that's the rooms entry if through the french doors. Something "acoustic could be moved into place during listening I think. ideas?
Some thoughts:
1)The side wall I've been concidering finding two salvage wood columns cut to 4 foot tall and placing them at the side wall reflection points. I would then place hanging plants on the columns, or teady bears, I collect them, yea I know, I know.
2)The front wall I'm thinking of building a cherry wood lattice. It would be 8'x 4'x 21/2" deep with a accoustic fabric attached to the back. The boards would be 3/4"x 21/2" at a 4" spacing. I would cover my fireplace with it which is also just behind my componants that sit on the raised hearth. My thought is the lattices' 4"x 4" boxes would break-up sound and the firebox (behind), 3'-6" x 3'x 2' would act as a base trap?
I would concider DIY Room Lens in that I like the theory, if you have info for that I'd love to see it. Can they be made with say a wood veneer over the pvc tube? That might be cool. I'd also like your thoughts on the wall or area behind me. I would like to keep the flow of ideas on this thread so others can learn, but if you have detail you can send it via e-mail jadem6@hotmail.com Thank-you so much for your help Tom, this is a topic I believe is sorely over looked, and it's time we at Audiogon begin some experiments. J.D.
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