I'm considering building an additional cabinet to hold my center speaker. My TV would sit on top of this new cabinet. In order to sustain the weight of my TV, the cabinet will have to be closed on the sides and the back. My concern is reflections. I plan on having the front of the speaker protrude out of the cabinet an inch or so, to negate reflections off the screen above, but I'm worried about reflections inside the cabinet. I've heard people say that you should line the inside of the cabinet with felt or a towel to minimize reflections, but what if I constructed the cabinet so that it was either directly pressed up against the outside of the speaker, or if it had just a slight gap, say a fourth of an inch or so. Would this be better to negate reflections?