29 Feet (length) x 15 Feet (width) with a 10 foot ceiling.
I have some bass traps installed in the front & rear corners which have a two feet gap between them & the ceiling.
The ceiling is actually a false one made from plaster, so i wanted to lower it by two feet in order to reduce the gap between the traps & the ceiling. Lowering it will also help the room cool a lot faster with the air-conditioning.
I just wanted to know whether lowering it would cause any problems or if it is safe to do so. Am i better off leaving it as it is?
I also had another idea of placing 2 inch thick rockwool inside the frame instead of the plaster. Would it be a waste & should i just concentrate on having a cloud above the mixing position?
I admit I don't totally understand your post, but from a mode perspective lowering the ceiling won't make things much worse than you have now. Usually the goal is to have a higher ceiling, but if you have other concerns that require lowering it, then you'll do what you have to do. It sounds like you'll benefit from more bass trapping too.
Thanks for pointing that out! To be honest the thought never occurred to me. I'll get to work on those tomorrow, thanks!
P.S. I can't really put up the top traps all the way up to the ceiling due to this small border underneath the ceiling (i've circled it in red). Will i still be better off pushing them up until they touch this border.
usually you want to avoid placing mics close to boundaries or listen to sound when sitting close to boundaries because of unwanted interaction. see explanations below.
therefore reflections from the ceiling are usually the first reflections reaching a mic or the listener.
with distance (a high ceiling) problems become less pronounced:
reflections are less loud compared to the original signal -> less spill - less masking of original sound
reflections arrive later in time - haas effect/comb-filtering, at some point the ear starts to separate initial sound and room/reverberant sound which makes for a spacious experience instead of a boxy, squished or phasey sensation.
lower ceiling = reflections are earlier, masking & combfiltering interaction with original sound is more pronounced
lower ceiling = reflections have more energy when reaching the mics, so you get stronger masking/more spill/coloration of original sound