SPIROCORE violin string SET by Thomastik-Infeld

Thomastik-Infeld Spirocore S15A – Powerful Projection & Impressive Stability

The Thomastik Spirocore S15A violin string set is one of the most popular steel-core string options for violin, offering an outstanding combination of tonal power, stability and playing comfort. Its special construction – a highly flexible steel spiral core wound with durable chrome steel – produces a round, homogeneous and powerful sound that projects effortlessly in ensemble and solo settings.

Spirocore strings respond quickly and reliably to the bow, offer easy playability and deliver clear tonal projection with excellent overtones. They are ideal for musicians who prefer a direct, stable sound and a long-lasting, low-maintenance string set.

Tone & Character – Powerful, Round, Present

• Powerful, clear and homogeneous tone
• Excellent projection and strong carrying power
• Rich overtones thanks to flexible spiral core technology
• Ideal for a direct, well-focused sound

Playability – Stable, Light, Precise

• Very easy to play – comfortable string feel
• Fast and reliable response
• Excellent tuning stability, even under intensive playing
• Highly durable and robust construction

Technical Features

• E–A–D–G: chrome steel
• Ball ends: all strings with ball end
• Steel spiral core: flexible for high elasticity
• Chrome steel winding: stable, clear and long-lasting sound quality

Who Is the Spirocore S15A Set For?

• For players seeking a clear, powerful and projecting tone
• For traditional and modern violins needing extra brilliance
• For musicians who prefer long-lasting, stable steel strings
• For orchestra, folk music, crossover & stage performance