When you are talking about hz, We are not referencing about the scaling process at this time. The higher the frequency range allows the source to be repeated more often within that frequency. Cdan has referred to it as a repeater, well that is correct.

So if all three of your components are capable of moving data in the 120hz range then, then the chain of the source will be equally repeated giving you the smoother picture.

Remember now, we are getting into minuscule differences here.