Greetings- thank you for this informative site.
I am an audiophile (newbie) as it were. I have a question regarding the Denon 1803. I understand banana plugs are need for interconnects? What are banana plugs? Does this diminish performance.

My plan of attack for a modest HT system for a 16x12 room:

Denon 1803

currently own a Denon 270 5disc changer.