http://www.freewebs.com/nassetronics/testing.htm
:oops: Some pics, my rehearsal of pcb design program. It is a mic preamp for dynamic low impedance balanced mic. Just a NE5534 low noise opamp and few components and wire links. Circuit is adapted from some electronic mag, maybe Elektor. Well, I did some job with the pcb and it is almost cookbook application, so it might be not so an awful crime if I add some component values and pcb layout and parts layout later (If I can get one old computer up somewhere...)