Well while we are on topic Darren I am not an expert by any means but would really appreciate a definitive once-off answer if anybody knows to the following question:
Take 1 drumkit, 2 guitar amps, 1
bass amp, and one vocal PA, with 2 speakers on stands.
Take a rectangular room, and acoustically foam the one end top to bottom for absorption and diffusion, but when you get a bit down the walls, break up the foam into checkerboard for a live and dead end situation.
For basic rehearsal and recording live, where do all the drums & instrument amps go?? Nobody seems to be able to help. They all just assume that you should know this.....but I am too stupid!
The picture of what I mean is available to view at
http://www.customaudiodesigns.co.uk/absorbers/siab.htm
Sorry about the comma everybody,
Jamie