Yeah, i reckoned so, i concluded that it's a component after all not some magical script that all prefabs will share, but i've hit post anyway

Thanks for the link, audio is sorted a long time ago, compressed, in proper formats, music streamed from storage, sfx loaded in memory...i've got a loading time of 8 seconds on PC with an SSD, but 3 minutes 30 seconds on PS4 with a regular hard drive...
Pooling takes up most of the loading time, but instantating without hiccups is impossible on that hardware even with incremental GC.
I made some tests with and without rigidbodies and colliders to see if they are slowing down the filling of the pools, i clocked the same time, i'm getting clueless.