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What about classrooms where all 4 sidewalls have blackboards?
You will have to treat the ceiling and any space available between the blackboards. When it comes to managing reverb, its all about the square footage of coverage that you can achieve.
What about classrooms where all 4 sidewalls have blackboards?
You will have to treat the ceiling and any space available between the blackboards. When it comes to managing reverb, its all about the square footage of coverage that you can achieve.