There s no mistake, Herrflock just changed the output devices but kept the rest of the original schematic unchanged, in the link you posted of the 1985 elektor article that s exactly the same schematic, it s an inverting phase amplifier, other members here can confirm it.
Here it is :
Here it is :
Attachments
![Elektor[nonlinear.ir] 1985-04_0011.jpg](/community/data/attachments/1196/1196399-14786d93f5996f6c931da0cc49fbeec2.jpg?hash=FHhtk_WZb2)
Use an oscilloscope + a signal generator and compare the input sine wave to the output one. They are both in the same phase. That is what I saw exactly in my oscilloscope. You can ask HerrFlick and any other member who has built that amp.
Cheers
Cheers
Some posts split to a new thread:
- https://www.diyaudio.com/community/threads/looking-for-elektor-axl-v2-boards.422968/