Need an audio amplifier design

I have a design homework about audio amplifiers. I want to use atransistors. In some sites I found design circuits with LM383. However I do not want to use that. Can you offer me a site including that design. (The power should be at least 5W that is High Power Amplifier)

www.diyaudio.com has many people and designs. But I found this relatively simple 25W amplifier on the internet at **broken link removed**[/url]