This is the result of the circuits assambled , described in Non-switching complimentary output stage
https://www.diyaudio.com/forums/sol...com/forums/solid-state/356531-2-feedback.html
As one can see , the two way allows the use of sophisticated output stage , without stability problem as above 1Mhz is is shunted.
As it is stable I gave further local feedback to bring the open loop OS distortion down to 0.0015%.
For now, I have a problem with slew rate . It needs a buffer for the HF feedback feeding C7.
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