I'd like to place a cooling fan in the back of my receiver. I'm electronically illiterate so I couldn't really understand the threads I found regarding this. The fans I've seen all have a little three prong thingee or just two wires coming out. I don't have a three prong thingee in the back of my receiver but I do have two regular AC outlets. Past threads refer to "power sources" which seems to make sense. So what do I need to buy to hook one of these fans up, or does anyone know where I can get a small, cheap fan with a regular AC power cord? Thanks in advance.