Large transformers tend to cause a bit of hum. Keep power amps and mixer power supplies away from audio equipment. Where possible, keep signal wires and AC wires seperated, and allow them to cross only at 90 degree angles. Also, Your nearfield monitors should be placed about 6'-10' apart, directly centered on your position at the console. The center lines of the speakers should be angled together, converging on a spot about a foot behind your head.
Some people like to spread their nearfields even more, to emphasize the stereo image.
2.5 Thoughts on Producing As the producer for your studio, you'll have to make important desicions that help shape the final outcome of each project. It's also your job to make sure that everything works smoothly with any booking, billing and record keeping. At some point, you'll undoubtedly be faced with a client who you feel needs to change their sound. This is touchy ground with some people, because they feel you're saying they sound bad. For this reason, it's always better to be careful with how you approach them.