It has recently come to my attention that the Common Mode Input voltage range of many opamp (especially TL07xs) substantially limits the voltage swing.
https://www.ti.com/lit/ds/symlink/tl072.pdf?ts=1721265968534&ref_url=https%253A%252F%252Fwww.mouser.com%252F
http://fpgacpu.ca/bass/bdi21.html...