Have a look at IC36 - the TL072.
If you have a scope, check pin 7 - you can cross reference the measurement with the 2nd and 4th voices for values.
It's a good starting point....
Best wishes,
Tony
If you have a scope, check pin 7 - you can cross reference the measurement with the 2nd and 4th voices for values.
It's a good starting point....
Best wishes,
Tony