Another post about slats

I have just started building a studio shed in my garden. The outside dimensions are 5 x 4m, and I assume the build will shave off around 0,3m. Ceiling height will be around 2,8m at the highest point on the “opposite v” and the floor will be tiled.

The shed will be used for tracking acoustic instruments, vocal and mixing. I am free to advise the contractor on how I want the inside to be. And here’s when the questions start.

1. Is it crazy or overkill to slat all four walls with 15 cm mineral wool behind? Could this create flutter, or will it kill too much of the mids and highs?
2. Regarding the spacing between the slats: Can I get away with even spacing (for ease of build and aesthetics)? Is there a golden ratio of 70/30 or 80/20?
3. Would it be better to just slat the workspace end, and diffuse the back wall?
4. Would you go diffuser or cloud absorber above head?

Cheers









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