> Joe, Is there an easy way to simplify that down to use less
> transistors? I'm mainly doing this to learn about op-amps.

Hi Ryan,

reducing the number will get you to something like you already
have. The BC639/640 and TIP31/32 are current stages to get
the output wattage. Your 2N440x are 500-600mA types

Can I direct you to TE again ?

http://www.talkingelectronics.com/projects/OP-AMP/OP-AMP-1.html

Joe


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