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Originally Posted by travelboy  I've heard many times that a given bass trap is more effective when placing it not directly on the wall but leaving a gap behind it. |
What matters is the total thickness from the room surface to the front edge of the panel. If you're willing to give up four inches of space you could use a 4-inch panel with no gap, or a 2-inch panel spaced off 2 inches. That gives similar results, though the 4-inch panel absorbs a tiny more.
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Originally Posted by XAXAU does this apply for a corner trap too? instead of leaving a gap behind it you fill it all the way into the corner? |
Panels straddling corners should be tight into the corner. There's already a built-in gap behind the panel. Or you can fill the corner solid for slightly better results.
--Ethan