Could be a combo of all of the above.
Its rare to make a major change in speakers then not have to make other changes as well in order to dial in the desired sound. Could be as minor as tweaking placement or orientation or changing room treatments or much more than that.
Its rare to make a major change in speakers then not have to make other changes as well in order to dial in the desired sound. Could be as minor as tweaking placement or orientation or changing room treatments or much more than that.