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Originally Posted by soundbarnfool  thanks fellas! i'm gonna try to angle the side walls a bit too, sort of like in the diagram above... |
If you want to alter the room geometry without sacrificing too much of your limited width dimension, you can use what I jokingly call "wedgie walls." These are essentially side walls that are shaped as sawtooth waves.
This allows you to get enough angle to aim reflections where you want them without losing several feet of width. You also can build each triangular shaped protrusion as a variable depth bass trap.
This technique is good for increasing the size of the RFZ, advantageous geometry, bass trapping, compatibility with 5.1, and fitting into the contraints of existing rectangular rooms, which has a side bonus making mode predictions simpler too.
I don't use this technique for every project, but I do use it often, especially given modern studio conditions where there are often multiple-use media rooms, and they need to work in existing spaces without building from the ground up. Here are a few links to examples of rooms I've used the technique in:
Mastering studio in Los Angeles Mastering studio outside Boston Multiple use college studio