Spirocore strings are a further technical development of Kunstler Seil series and have a flexible spiral steel core.
This core has greater elasticity than that of conventional strings which means less inertia and a higher propensity to musical vibration.
The sound is full and homogenous, balanced and voluminous. The string has been calibrated to satisfy the express wish of many artists for an equally effective arco and pizzicato.
Thomastik Infeld has tackled notorious 'cello problems such as wolf notes and muting difficulties with Spirocore C and G strings in tungsten wound and silver wound.
Spirocore's hi-tech core makes fro effortless fingering, responsive bowing, stable tuning and a very long string life. With Spirocore the steel string's technical possibilities have been developed to their maximum.