It simply steps whatever speakers and sub have been in the operational system and produces a modification filter for every single someone to undo the results of space acoustics.
Then your front L and R speakers can only be Large if you don’t have a subwoofer. There’s no necessity an option. Tiny merely means: “send the bass to your sub”. If you do not have sub, you cannot set the front speakers to Small. It is possible to, nevertheless, set the other speakers to Small. For the reason that instance, their bass are going to be rerouted to your front side L and R speakers. It is a good option if the woofers right in front speakers are bigger than those who work in the guts and surrounds.
We too have actually an Onkyo 608 and love the Blue Ray film imaging but any CD stereo noise is quite flat and sounding that is plastic. My older Onkyo 602 has great sound that is stereo. Its rather discouraging as soon as we buy more recent gear and then find out of the stuff that is old better (in certain means)