OPEX-1: A Discrete OPAMP for Audio

This design showcases a discrete opamp for audio applications.  It features very low noise, low distortion and a class A output stage that will deliver 1ppm distortion into a 600 Ohm load at 12 V peak.



2 responses to “OPEX-1: A Discrete OPAMP for Audio”

  1. Grzegorz says:

    Do You have pcb for opex-1 or gerber files?

    • Bonsai says:

      Hello Grzegorz, unfortunately no – it was a design exercise only, although I might do a board for it one day – but would have to be SMD.



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