Pro-Arte' Dynacore strings connect the tradition and foundation of D'Addario classical string making with contemporary advancements in production technology. Dynacore basses use a revolutionary twisted multifilament nylon core processing technique to deliver unparalleled intonation, responsive attack, and crystal-clear projection, while still maintaining the essence of Pro-Arte'. Together with our precision Titanium trebles, which supply distinct balance and increased resonance in the top-end, Pro-Arte' Dynacore strings are an exceptional blend of tradition and innovation, creating a truly unique, contemporary tone. Normal Tension is our best-selling tension, preferred for its balance of rich tone, comfortable feel, and dynamic projection.