Speaker positioning, room treatments, cables, and even components, can be used to impart any "desired" colorations to various systems.
While colorations might not be "desireable" by many audiophiles, all systems do have them to some extent.
The thing about most audiophiles not liking the tone controls, is perhaps not so much about the colorations, as it is the loss of signal that is present in the potentiometers used for these puposes. If they didn't cause signal loss, I think more audiophiles would accept some tone controls. Potentiometers are one of the most offensive items for causing signal loss in the circuit. We always try to have as few of them as we can. Thus, we resort to other methods to "color" our systems(if we want them "colored").
While colorations might not be "desireable" by many audiophiles, all systems do have them to some extent.
The thing about most audiophiles not liking the tone controls, is perhaps not so much about the colorations, as it is the loss of signal that is present in the potentiometers used for these puposes. If they didn't cause signal loss, I think more audiophiles would accept some tone controls. Potentiometers are one of the most offensive items for causing signal loss in the circuit. We always try to have as few of them as we can. Thus, we resort to other methods to "color" our systems(if we want them "colored").