Thomastik-Infeld Spirocore strings have a flexible multi-wire spiral rope core. They offer a longer period of musical vibration and significantly reduce inertia. Spirocore strings are equally effective when playing Arco or pizzicato. They are highly responsive and long lasting. Cello tungsten C string, 4/4 size.
Thomastik-Infeld Spirocore cello strings are the technical further development of the rope-core strings because they have a more flexible spiral core made of steel. This spiral rope has a bigger elasticity, therefore a higher period of vibration than other rope strings. The sound is round, homogenous and powerful. Spirocore is supreme. These steel strings are the latest in Thomastik's technical knowledge.