All Jfet Op-amp – not completed

This is another Borbely Erno design op-amp using all jfets.  This is the most complicated one with high gain and thus a servo is required to maintain the output at near 0Vdc.  I have tried this op-amp but I have not make it up to the best sound.  As of 2009, I think the all jfet buffer line amp sound the best.

All Jfet op-amp Circuit

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