I got a random idea.
If internal reflections color the sound of a loudspeaker, what happens if you line the inside of the enclosure with acoustic absorption foam. Will this work to reduce enclosure coloring and is its effect in any way similar to light acoustic fill?
If internal reflections color the sound of a loudspeaker, what happens if you line the inside of the enclosure with acoustic absorption foam. Will this work to reduce enclosure coloring and is its effect in any way similar to light acoustic fill?
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There was a Bose patent that was recently posted that may be of interest. I recall it had a 'resonant absorber' for each of the three internal dimensions.
Here's a recommendation from the dim and distant past.
To effectively reduce internal reflections whilst not introducing excessive damping, hang a curtain of BAF wadding inside the enclosure as follows:
Attach top edge of BAF curtain to front and back corners of top panel and attach bottom edge of BAF curtain to back and front corners of bottom panel - thus introducing a twist in the curtain.
The twist will aid suppression of reflections between all three parallel surfaces within the enclosure more effectively than attaching absorbent directly to the interior walls.
How's that!
To effectively reduce internal reflections whilst not introducing excessive damping, hang a curtain of BAF wadding inside the enclosure as follows:
Attach top edge of BAF curtain to front and back corners of top panel and attach bottom edge of BAF curtain to back and front corners of bottom panel - thus introducing a twist in the curtain.
The twist will aid suppression of reflections between all three parallel surfaces within the enclosure more effectively than attaching absorbent directly to the interior walls.
How's that!
