Trial and error baby. Trial and error.
Last I checked, that is the very foundation of learning. Open minded and creative approach to problem solving. Very important personality trait which the bulk of those who have made relevant scientific discoveries possess.
Surgeon friend of mine pointed something out to me. The person who graduates at the bottom of their class in med school is also called doctor.
Here’s a really difficult challenge, run a mono signal into your system. Put the speakers side by each. L/R the signal. Listen for the differences. I know, likely not within the realm of your creative abilities or willingness to try. So much work to do.