I was actually looking at some black velvet adhesive covering on amazon for my center speaker.So what is your proposed seating distance ? I'd try and not put cabinets up front - it will be a distraction. And I like a regular width frame myself. Also, I'd try to keep the center channel below the the bottom frame member. You might want to put " Protostar " black velvet material on the top of the speaker so it doesn't reflect back on the screen.
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