The Gold Standard for Tone
Elevate your instrument’s voice with Thomastik-Infeld, the world-renowned leader in string technology. Engineered in Vienna, these strings are celebrated for their impeccable tuning stability, longevity, and rich, complex tonal palettes. Whether you are a student looking for reliability or a professional seeking soloist-level projection, Thomastik offers a diverse range of synthetic and steel-core options tailored to bring out the unique character of your viola.
Choose from industry-leading lines like the Dominant, famous for its warm, gut-like clarity, or the Peter Infeld (PI) for unparalleled power and nuanced expression. For those seeking modern brilliance and a rapid break-in time, the Vision series provides a focused, energetic sound that settles within hours. If you need a deep, punchy low end, the legendary Spirocore C and G strings remain the top choice for players wanting maximum resonance and “growl.”
Designed to resist changes in humidity and temperature, Thomastik-Infeld strings ensure a consistent performance in any environment. Their high-quality winding materials and innovative core construction provide a vast color palette, ranging from dark and chocolatey to brilliant and metallic. Invest in the choice of orchestral professionals and soloists worldwide to experience the perfect balance of comfort, durability, and world-class sound.

Peter Infeld Strings is a new synthetic string that is warm and powerful.

Dynamo viola strings are making many viola players very happy. Don’t sub a single string out. Very balanced and have a powerful tungsten C.

Rondo viola strings are a new combination synthetic viola string. Similar to the Dominant Pros, also very responsive with great clarity.

Thomastik’s Rondo Gold are a tad more ‘brilliant’ and a bit more focused than the regular Rondo set.

Dominant strings was the first synthetic core string and remains a very popular viola string for both professional and students alike.

Dominant Pro viola strings are the new ‘kids on the block!’ They are really quite fantastic and already showing super happy and positive reviews. Thomastik calls them “fastest response in the parallel universe!!”

Thomastik Spirocore viola string is made with a steel rope core. They are a very responsive, resilient and powerful string. (Many players prefer the Spirocore C & G with a Larsen A and D.

Vision Strings come in two types: regular Vision and Vision Solos. They are a synthetic core string and tend to have lower tension.

Vision Solo Strings are crafted for advanced players, delivering a focused, powerful sound with exceptional projection. They are ideal for soloists seeking brilliance and clarity in their performance.

Superflexible are similar design to the Spircores, but as the name implies, a little less stiff than the Spirocores. Still though, a good, bright and resilient string.

Precision brand is Thomastik’s lower priced string. Good well made strings and last a good while.