It's not so much the opamp I'm worried about. It's more that my analog skills aren't so great, and as such I'm worried that my design, layout, and component selection may impact the quality of the audio signal quite a bit. Josh -- A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams On 9/1/05, Michael Rigby-Jones wrote: > >I seem to recall that an NE5534 (IIRC) is a pretty good > >pre-amp IC used in some semi-commercial mixers. > > It's a pretty low noise cheap op-amp, they are used by the bucket load even in professional mixing desks. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist