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Best way to decrease the internal volume of a sealed speaker?

I have a very fine sealed 0.75 cu foot cabinet that I would like to reduce the internal volume to about to about 0.45-0.65 cu feet. There is limited space to add things like bricks, pavers etc inside.
I am thinking of using some plastic containers with lids glued to the inside cabinet. Should they be filled with sand?

ozzy


128x128ozzy

Showing 1 response by cliffkhz

cliffkhz
47 posts
 

As I see it, you want to take out between 0.10 to 0.30 cu.ft.

Use a cu.ft. to cu.in. calculator to convert. I would use 2x4s.

Start out with the smaller piece of wood then adding more blocks until you get your desired sound. Use double sided foam tape (3M @ Home Depot) that way you can add or remove the blocks.

I'v built quite a few speakers an using the calculator helps greatly in figuring out interior Cu.Ft. or Inches.

Hope this helps.

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