How much clearance around components in a console?

The more air flow the better. My center panel door has sun screen instead of wood. In hind site i wish I would have done the screen on all three doors. If you click on my system, the main page photo "From the money seat", you can see what I am talking about.

I will probably go and err on the side of caution with 3” per side extra. How much for the top clearance? Should I have vent holes in the bottom of each shelf? I plan to have an open back, but there will be a closed front. I was planning on some side vent holes also. Thanks for the info so far.

Joe in Mobile

It really helps too if your console has an open back.