well the R is a proven woofer, very capable //content.invisioncic.com/y282845/emoticons/naughty.gif.94359f346c0f1259df8038d60b41863e.gif
I wanna see someone throw 5000 watts at a 12, i think it would handle if setup properly - the 15 definitely would... hell I did 4-5 bassrace runs just about back to back with 2700 watts... and the first few I had the volume way too high.