Thomastik Infeld THRO-41 cello string A-1 4/4, carbon steel core, multialloy woundThomastik Infeld THRO 41 cello string A 1 4 4, carbon steel core, multialloy wound NO. RO41 : MULTIALLOY The A string RO41 was developed as an innovative synthesis of the highest tonal noblesse, maximum inner tonal density and brilliant openness. Regardless of dynamic levels and playing techniques, its barrel chested voice and velvet like sound texture give the RO41 a vocal character that is further enriched with a well defined focus. A special