Thomastik-Infeld Viola Strings

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.

Square product packaging for Peter Infeld viola strings, featuring a large Greek letter pi symbol, product details, and "Thomastik Infeld Vienna" branding at the bottom.

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

Album cover for "Dynamo Viola DY200" featuring large green letters "DY" in the center and the Thomastik-Infeld Vienna logo at the bottom on a white background.

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.

Square image showing the packaging for Thomastik-Infeld Vienna Rondo viola strings. The words "THOMASTIK," "VIOLA," "RONDO," and "THOMASTIK INFELD VIENNA" appear in bold text on a black and gray background.

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

The image shows packaging for Thomastik-Infeld Vienna Rondo Gold viola strings, RG200 medium gauge with a synthetic core. The design features black and gold colors with bold and elegant text.

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

The image shows the packaging for Thomastik-Infeld Dominant viola strings with a synthetic core. The design features a decorative silver scroll and text on a silver and purple background.

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

A square package labeled "Dominant Pro Viola DP200" with a teal vertical stripe on the left side and the Thomastik-Infeld Vienna logo at the bottom center. The background is dark with large faded letters.

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!!”

The image shows a package for Thomastik-Infeld Spirocore viola strings, S23 medium with spiral core. The design features a lavender background with a spiral illustration and product information in black and white text.

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.

An illustration of birds flying above running boars, transitioning from purple to orange. The words "VISION" and "VIOLA" are at the top and left, with a "Thomastik-Infeld Vienna Handmade Strings Since 1919" logo in the bottom left corner.

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

A product box labeled "VISION SOLO" for Thomastik-Infeld Vienna viola strings, with stylized images of flying birds and swimming dolphins against a gradient orange and blue background. Text details string type and size.

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.

An orange and black package labeled "SUPER FLEXIBLE" for viola strings, featuring a silhouette of a viola and the Thomastik-Infeld Vienna logo, with the text "Handmade strings since 1919" at the bottom.

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.

Product packaging for Thomastik-Infeld Präzision viola strings, indicating 79 medium, solid steel core. The design features black, green, and white blocks with a handwritten-style logo and company information.

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

String Sets

Thomastik
Spirocore
Spirocore Chrome Set
$106.00
Thomastik
Dominant
Dominant Viola Set
$125.00
Thomastik
Precision
Thomastik Precision Viola Set
$49.00
Thomastik
Superflexible
Superflexible Viola Set
$69.80
Thomastik
Vision Solo
Vision Solo Viola Set
$175.85
Thomastik
Vision
Vision Viola Set
$149.00
Thomastik
Dominant Pro
Dominant Pro Set
$146.00
Thomastik
Thomastik Infeld
Rondo Gold Viola Set
$0.00
Thomastik
Rondo
Rondo Viola Set
$152.00
Thomastik
Dynamo
Dynamo Viola Set
$198.00
Thomastik
Peter Infeld
Peter Infeld Viola Set
$175.00

Individual Strings

Thomastik
Peter Infeld
Peter Infeld Chrome A String
$32.75
Thomastik
Peter Infeld
Peter Infeld Chrome D String
$38.76
Thomastik
Peter Infeld
Peter Infeld G String Silver Wrapping
$43.10
Thomastik
Peter Infeld
Peter Infeld C String Silver Wrapping
$60.39
Thomastik
Dynamo
Dynamo Carbon Steel A String
$35.64
Thomastik
Dynamo
Dynamo Synthetic Silver/Chrome D String
$44.35
Thomastik
Dynamo
Dynamo G String Silver Wrapping
$55.15
Thomastik
Dynamo
Dynamo C String Tungsten/Silver Wrapping
$62.88
Thomastik
Rondo
Rondo Viola A String
$32.85
Thomastik
Rondo
Rondo Viola D String
$36.10
Thomastik
Rondo
Rondo Viola G String
$35.15
Thomastik
Rondo
Rondo Viola C String Silver Wrapping
$49.95
Thomastik
Thomastik Infeld
Rondo Gold A String
$0.00
Thomastik
Thomastik Infeld
Rondo Gold D String
$0.00
Thomastik
Thomastik Infeld
Rondo Gold G String
$0.00
Thomastik
Thomastik Infeld
Rondo Gold C String
$0.00
Thomastik
Dominant Pro
Dominant Pro A String
$41.18
Thomastik
Dominant Pro
Dominant Pro D String
$26.92
Thomastik
Dominant Pro
Dominant Pro G String
$37.54
Thomastik
Dominant Pro
Dominant Pro C String
$41.42
Thomastik
Vision
Vision Viola A String
$34.92
Thomastik
Vision
Vision Viola D String
$26.61
Thomastik
Vision
Vision Viola G String
$32.51
Thomastik
Vision
Vision Viola C String
$54.94
Thomastik
Vision Solo
Vision Solo Viola A string
$30.95
Thomastik
Vision Solo
Vision Solo Viola D String Chrome
$41.27
Thomastik
Vision Solo
Vision Solo Viola D String Silver
$43.72
Thomastik
Vision Solo
Vision Solo Viola G String
$43.65
Thomastik
Vision Solo
Vision Solo Viola C String
$59.96
Thomastik
Superflexible
Superflexible A String Chrome
$12.55
Thomastik
Superflexible
Superflexible D String Chrome
$17.65
Thomastik
Superflexible
Superflexible G String Chrome
$21.45
Thomastik
Superflexible
Superflexible C String Chrome
$22.10
Thomastik
Superflexible
Superflexible C String Silver
$41.05
Thomastik
Superflexible
Superflexible C String Tungsten
$46.20
Thomastik
Superflexible
Superflexible A String Aluminum
$10.70
Thomastik
Precision
Thomastik Precision A String Aluminum
$9.00
Thomastik
Precision
Thomastik Precision A String
$10.40
Thomastik
Precision
Thomastik Precision D String
$11.20
Thomastik
Precision
Thomastik Precision G String
$13.40
Thomastik
Precision
Thomastik Precision C String
$14.00
Thomastik
Dominant
Dominant A String
$19.15
Thomastik
Dominant
Dominant D String
$21.98
Thomastik
Dominant
Dominant G String
$30.82
Thomastik
Dominant
Dominant C String
$53.09
Thomastik
Spirocore
Spirocore A String Chrome
$20.35
Thomastik
Spirocore
Spirocore D String Chrome
$24.75
Thomastik
Spirocore
Spirocore G String Chrome
$29.40
Thomastik
Spirocore
Spirocore C String Chrome
$32.30
Thomastik
Spirocore
Spirocore G String Silver
$35.95
Thomastik
Spirocore
Spirocore C String Silver
$52.25
Thomastik
Spirocore
Spirocore C String Tungsten
$61.00