After years of research, experimenting, and soul-searching, DiMarzio concluded that the most important characteristic for an acoustic pickup is pretty straightforward: it should sound and feel good. The sound part is obvious. The pickup has to “hear” the entire range of the acoustic guitar from top to bottom, with no gaps anywhere. The “feel” is just as important. It has to track your right- and left-hand dynamics, and respond immediately to the sound coming off the string. A pickup that can do both of these things is going to do the job, and you’ll be happy with it. And that’s what they have accomplished with The Angel.