XT are our longest lasting classical strings, combining centuries of D’Addario expertise with modern coating technology. XT Classical features our composite basses, constructed with a long-lasting multifilament core, wrapped with silver-plated copper, and finished with our proprietary XT coating, for bold, projecting tone and extended life span. TT - The Dynacore bass strings in this XT set use a revolutionary multi-filament nylon core processing technique to deliver unparalleled intonation, responsive attack, and crystal-clear projection—and with addition of our proprietary XT coating, a significantly extended lifespan. Coupled with our precision Titanium trebles, supplying distinct balance and increased resonance, XT Dynacore is the most advanced classical string available. FF - The Dynacore bass strings in this XT set use a revolutionary multi-filament nylon core processing technique to deliver unparalleled intonation, responsive attack, and crystal-clear projection—and with addition of our proprietary XT coating, a significantly extended lifespan. Coupled with our Carbon trebles, which are the brightest, best projecting trebles we have to offer, XT Dynacore is the most advanced classical string available.
