In Reply to: Front wall room treatment for dipoles, Maggies, others posted by bryan on November 25, 2009 at 14:21:07:
Experiment with small area treatments located where you would see your image if the wall were covered with mirrors. Too much area or too much absorption will detract from the dipole behavior, so start with a folded blanket covering a couple of square feet. Wool would be the blanket material of choice, since synthetic fibers have strong acoustic tonal colorations.
Glass is a problem in a listening room. Try rapping the pane with a knuckle and listen to the response. Realize that the glass is adding some of this response tonality to the reflected sound from your speakers.
There are expensive devices to treat glass panes, but a cheap way to experiment is with gel decorations. These cling to glass without adhesive and come off easily. They are in stores now for holiday decoration purposes. Try different sizes and shapes and in different locations on the glass. I would put them near the corners and at the major nodal points on the major axes.
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Follow Ups
- Some ideas. - Al Sekela 12:21:39 11/26/09 (0)