Building A Guitar Isolation Box

One of the most popular posts ever on this blog was one about building an isolation box for a guitar amp, so I thought I'd post something similar, but his time with a different take on how to do it. What's different about this one is that the speaker is permanently mounted in the cabinet in it's own box within a box, and it starts out using Rockwool as the basic absorption material instead of foam.

Rockwool is the same stuff that's used in many recording studios and is a lot cheaper and much more effective than acoustic foam, if you can find it.  The other difference is that in the video he's using Rockwool batts. Ideally you'd want to use the more ridged Rockboard (or Owens Corning 703 ridged fiberglass), which takes up less room. The 2 inch thick product should do it.

Remember to make sure that the seal on the box is absolutely tight for maximum isolation. Air is like water and if any can leak out, there goes your isolation. Screw and glue the box together, then seal it on the inside with a couple of beads of caulking. You can find out more on construction in The Studio Builder's Handbook.

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