Originally Posted by busb0y
I've decided to try the shadow box route with X type of stuffing behind Y material on which the picture will be mounted. Can anyone define what X and Y should be ideally?
Before you go there, how does the system sound and what is there on the walls right now? How much furnishing do you already have the room? And where will the pictures go relative to your speakers and listening position?
The reason I ask is that reflections can actually be a good thing. Creating absorbers out of the pictures with random characteristics may actually make your system sound worse, not better. The links Arny has given you are not going to give you good data for the complex device you are building with the picture frame and stuff behind it.
If your system sounds good with bare walls right now, then putting traditional picture frames on them is not going to make things worse. The wall is reflective now and will continue to be reflective with a picture frame on it.
If your space is quite large and you are adding a few picture frames, likely you won't even notice anything changing.
If your room is very bare, with a hardwood floor for example, adding a carpet there will do far more good than messing around with the pictures.
These topics can be quite complex (see http://www.madronadigital.com/Library/RoomReflections.html
). The Internet discussions often chase non-goals or solution for one thing aimed at another (e.g. none of what is discussed is a "bass trap").
My pragmatic suggestion is let your wife build the picture frames as she wishes and makes your room pretty. Put felt pads behind the frame to keep it from rattling against the wall. This is a living room. Not a studio
. Let it be aesthetically pleasing. As I explained messing with them for the sake of audio improvement is throwing random darts at the wall
. You will do far better for your sound optimizing the two subs with their location and EQ than any of this. And that solution doesn't require dealing with anything that is visible (http://www.madronadigital.com/Library/BassOptimization.html
). Remember, the people giving you advice are not the ones who will be living with you and your wife.