I am completely new to this, so please forgive me if this is an easier question. I have an old starter speaker/subwoofer system (KLH 520) and the way the system is set up (according to the KLH manual) ...

I've got a pair of Paradigm Monitor 5s being driven by a Rotel integrated amp. I usually just turn them on and listen, but recently I've noticed that the right channel sounds quiet and muffled. I ...