The RPG Skylines would be perfect for my ceiling. But at $145 per 2'x2' panel, I'll go broke using these. Does anyone have do it yourself knowledge or experience for ceiling diffusers?
Go to audioasylum.com. Do a search for Jon Risch. Find his website. He has all kinds of DIY acoustic treatment projects that are cheap to do. I can't remember specifically if he has this, but his site is worth a look.
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