Proac speakers at moderate listening levels

the review below might help;

http://desirableaudio.blogspot.com/2009/05/proac-response-tri-tower.html

I have the D-15s. I think they sound pretty good at low levels. I think your amp might be a little on the weak side unless you are in a pretty small room and if you are you probably won't need more than the D-15s or even the D2s. I also have a set of the Tablette 2000 model, and while they don't quite have the resolution of the more expensive models, I think they are overall more fun to listen to.