A Simple Bass Trap

By John Fisher

 

In my little studio I built this simple but effective bass trap in the corner. It consists of wooden 1" by 4" slats that are bound together with 3 cross boards. The slats are about 1/4" to 1/2" apart from each other. The slats go from the ceiling to the floor. There is 2" fiberglass glued to the inside of it. I glued a piece of cloth between the wood and the slats so that the fiberglass would not be exposed through the 1/4" spaces between the slats.

The grid of wood slats stretches a little over a meter from wall to wall in the corner. I built 2 of them for 2 of the corners but it is good to have them in each of the 4 corners of the room.

Of coarse if you were to make them bigger, they will absorb bass at a lower frequency.

 

 

This is to illustrate that there are wood supports across the slats to hold them together

 

The higher frequencies in the room will still reflect off the bass trap but you will notice while standing near it that there is a lack of bass where there is normally bass built up in the corner of the room

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