clemsontiger

Thanks for the help. I dont HAVE to use opamps. But I must simulate the circuit to show a frequency response of 20Hz-18KHz, and a power delivered of 5W to an 8 Ohm load. And I knew that using transistors would be extremely difficult to do. So in my proposal, I decided I would use opamps/ic's. To simulate this program all I have is PSPICE which doesnt half work and Im not real proficient with it either. Does anyone have any ideas as to how to go through with the simulation?

You make a good point, I have to use a 12 volt power supply. Its in the specifications for my design. I apologize for the confusion.

Im a student and I need to design an amplifier using an opamp, and I dont know what opamp to use. I have to deliver a 5 Watt output to an 8 Ohm load also with a flat electrical response of 20Hz - 18KHz. What IC should I use? LM383? 741? And Im not even sure how to start designing one of these as far as a circuit goes. Should I just start with a basic inverting configuration? Or non-inverting configuration? Is there a better configuration to use? Should I have to consider heat sink issues?