Sorry I will slightly disagree with Darrylhifi. I would move cautiously with the Paradigms. I have the Studio 60s(which I love) and tried powering them with a 110W Yamaha receiver and had exactly the same problem you're describing with your mild mid-range. Paradigms like power. I have since switched to separates which opened up the sound tremendously. The Paradigm monitor series my be a better fit. Depending on the power your Denon has and how loud you like it, I would definitely look at speaker that are fairly efficient 91+dB.
