Want to DIY soffit traps, but unconventional size?
Forgive me if this is a rehash of any old posts, but I've searched and haven't found a lot of different data on soffit trap sizes.
I'm in a rental. I want to DIY some soffit style bass/broadband absorbers around 3 wall-ceiling corners (with the intention of also adding wall-wall corner-straddling absorbers). Considering the pre-existing door trim, the best dimensions for me would be 12"x12". I see most soffit absorber designs are 15" to 17" squared. Is there a big loss for me going 12" squared? I would think it's better than nothing?
BTW , the length of the traps for each wall would be 154", 132", and 114" (due to an HVAC duct) respectively. So they will be fairly long.