Small rooms fight back at low frequencies. Room modes are standing waves that make bass boom in some spots and vanish in others — see them for your dimensions.
Room Acoustic ModesLive
standing waves in a room
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A room resonates at frequencies where sound waves fit exactly between its surfaces. These modes — axial between two walls, tangential among four, oblique among all six — cause the boomy bass and dead spots in small rooms. Even spacing sounds smooth; clustered modes cause problems. Cube-shaped rooms are the worst.
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How it works
A room resonates wherever sound waves fit exactly between its surfaces, producing axial modes between two walls, tangential modes among four, and oblique modes among all six. Evenly spread modes sound smooth; clustered modes create boomy, uneven bass. This is why cube-shaped rooms and studios need careful dimensions and bass trapping.
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