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Thomastik-Infeld — Official Dealer in Ukraine, SoundsGood
Thomastik-Infeld (Vienna, Austria, founded 1919) is one of the world's foremost manufacturers of strings for bowed and fretted instruments. The company was founded by violin maker Dr Franz Thomastik and civil engineer Otto Infeld. In over 100 years of continuous research and production in Vienna, Thomastik-Infeld has developed revolutionary technologies — from the synthetic perlon core (1970) to the spiral rope steel core of Spirocore and the groundbreaking DYNAMO (2023). The brand's strings are the standard for soloists, orchestral players and jazz guitarists worldwide. Among the musicians who choose Thomastik: Itzhak Perlman, George Benson and the world's finest orchestras.
SoundsGood is the Official Dealer of Thomastik-Infeld in Ukraine! Genuine products, manufacturer warranty, full range — from student to concert-level strings.
Official Dealer
Thomastik-Infeld in Ukraine
Thomastik-Infeld in Ukraine
Vienna, since 1919
100+ years of production
100+ years of production
Full range
Bowed and guitar series
Bowed and guitar series
World benchmark
For students and maestros
For students and maestros
Free shipping
From ₴4,000
From ₴4,000
Instalment payment
PrivatBank / monobank
PrivatBank / monobank
🎻 Thomastik-Infeld: over 100 years at the heart of music
In 1919, two Viennese — violin maker Dr Franz Thomastik and civil engineer Otto Infeld — founded a company to manufacture steel strings. Their shared goal: to create a string that would surpass traditional gut in reliability and stability without losing musicality. Today Thomastik-Infeld is synonymous with the highest class of strings worldwide.
🏭 Made in Vienna
Every Thomastik-Infeld string is developed and manufactured in Vienna — at the same location where the company was founded over 100 years ago. Production has remained in Vienna as a matter of principle, ensuring consistent quality control and the preservation of unique expertise. This is not just marketing — it is 100+ years of material memory, process knowledge and sensitivity.
🔬 Research and innovation
Thomastik-Infeld continuously invests in research into new materials and constructions. The company's stated philosophy: "to fulfil a need and provide an incentive" — to develop the most cutting-edge, reliable and tonally rich products. Every new series is the result of close dialogue with musicians and scientific research into acoustics.
🎵 From student to maestro
A unique Thomastik-Infeld distinction: the company offers quality solutions for every level of player. Alphayue — affordable strings for beginners. Dominant — the standard for intermediate and advanced players. Vision Solo, Peter Infeld, Rondo — for concert performers. DYNAMO — an innovative choice for those exploring new sounds.
🎸 More than bowed strings
Beyond orchestral strings, Thomastik-Infeld is the absolute authority in the world of jazz guitar strings. Jazz Swing Flat Wound is the reference for jazz guitarists worldwide. Spirocore spiral cores for double bass, Jazz Flat Wound for bass guitar, Blues Sliders, acoustic Spectrum and Plectrum — a complete ecosystem for different styles and instruments.
🔬 Key Thomastik-Infeld Technologies
🧶 Perlon/nylon synthetic core
The revolution of 1970: Thomastik-Infeld developed the perlon/nylon Dominant strings that replaced traditional gut. The synthetic core delivers gut-like warmth and roundness but with far superior temperature and humidity stability, faster playing-in and greater longevity. One of the most important innovations in the history of strings.
🌀 Spiral rope steel core (Spirocore)
The spiral rope core technology — steel strands twisted into a spiral — delivers exceptional string flexibility while retaining a metallic character. The result: incredible depth of tone, brilliant trebles, a focused midrange and a super-powerful bottom end with long sustain. The first choice of avant-garde and pizzicato double bassists for decades.
🏹 Silk inlay
In the bass guitar series (Jazz Flat Wound), Thomastik-Infeld uses a silk inlay between the core and the winding. This delivers an incredible depth of tone and an enhanced fundamental unavailable from any other flatwound. Playing feel: smooth, comfortable, with zero finger noise.
⚡ DYNAMO: combining the uncombineable (2023)
DYNAMO is Thomastik-Infeld's most recent innovation (2023): revolutionary violin strings combining sonic and physical properties previously thought incompatible. The unique construction opens new expressive possibilities for players while preserving playing comfort. Ideal for advancing players and accomplished professionals alike.
📅 Thomastik-Infeld Timeline
1919Dr Franz Thomastik and Otto Infeld found the company in Vienna. Mission: to surpass gut in reliability.
1939–45World War II. The Thomastik-Infeld workshops are destroyed. The company rebuilds after the end of hostilities.
1970Revolution: the launch of Dominant — the first synthetic perlon strings. They fundamentally change the bowed string market.
1991140 employees in Vienna. The company actively expands its international presence after the fall of the Berlin Wall.
1994Peter Infeld takes over the company and leads it to new successes over 15 years.
2009Peter Infeld passes away at 67. Zdenka Infeld takes over as head of the company.
2019100th anniversary. Thomastik-Infeld celebrates with an exhibition at Vienna's Museum of Sound and the launch of stringtelligence.com.
2021Launch of Dominant Pro — a modern reimagining of the iconic Dominant for its 50th anniversary.
2023Launch of DYNAMO — revolutionary violin strings that "combine the uncombineable."
🎻 Dominant — the world's most widely played synthetic strings
Since 1970 · Perlon core · Violin, viola, cello
Dominant — the global standard for bowed strings
Gut-like warmth and roundness in a modern synthetic form. Over 50 years at the top of the market.
🎵 Tonal character
Dominant deliver a warm, round tone with a gut-like feel — but with the stability of synthetic materials. A quick and effortless response under the bow and a comfortable playing feel. The perfect balance between directness of sound and musical warmth. Available for violin (from 1/32 to 4/4), viola and cello in several tension options.
🏆 Why Dominant is the standard
Dominant are the world's most widely played synthetic bowed strings. For more than 50 years they have been the first choice for musicians from beginner to international-level performer. Artists such as Itzhak Perlman chose and recommended Dominant. They are the "language" spoken by the entire violin world — consistent, predictable, quality sound.
📐 E-string options
Thomastik-Infeld offers Dominant with several E-string options: standard steel (most common), aluminium-wound (warm, less whistle-prone tone) and gold-plated (Special E Gold-Plated). The choice of E-string significantly affects the overall balance of the set and is a personal decision for every player.
✨ Dominant Pro — a modern reimagining of the classic (2021)
🆕 What's new in Dominant Pro
Dominant Pro (2021) is Thomastik-Infeld's answer to the 50th anniversary of Dominant: all of the original's virtues preserved and enhanced. The familiar balanced, warm Dominant character — with expanded projection and a wider dynamic range for the contemporary player. Dominant Pro is the logical next step for a musician who has outgrown classic Dominant.
🎯 Who it's for
Dominant Pro is ideal for: advanced conservatoire students and young performers who have mastered classic Dominant and want a more "mature" sound; orchestral players who need greater projection in a large hall; anyone who values the familiar "Dominant response" and wants to explore new possibilities without a radical change in sound.
⚡ DYNAMO — strings that "combine the uncombineable" (2023)
2023 · Revolutionary construction · Violin
DYNAMO — the innovation that changes the rules
DYNAMO combines sonic and physical properties previously thought incompatible. New expressive possibilities for every performer.
🔬 What makes DYNAMO unique
Thomastik-Infeld describes DYNAMO as strings that "combine the uncombineable" — a blend of materials and construction decisions previously thought incompatible. The result: a new sonic and physical experience that opens expressive possibilities without compromising playability or reliability. Ideal for advancing players and experienced performers ready to explore something new.
🌀 Spirocore — the legendary spiral core
Spiral rope steel core · Violin, viola, cello, double bass
Spirocore — the first choice of the avant-garde and pizzicato players
Spiral technology delivers flexibility, brilliant trebles, a focused midrange and a powerful low end with long sustain.
🎵 Spirocore tonal character
The spiral rope steel core delivers exceptional flexibility with full metallic richness. Spirocore produce: a brilliant top register, a clear and focused midrange, a powerful bottom — and a long sustain. Ideal for pizzicato (double bass and cello) and avant-garde styles where projection and brightness are essential.
🎸 Spirocore for double bass
Among double bassists, Spirocore has been the legendary choice for decades. These strings became the "voice" of the solo double bass in jazz, avant-garde and chamber music. Fantastic flexibility and long sustain — combined with a bright, projecting sound — made Spirocore the standard for any style where the instrument must be heard on a large stage or in the studio.
🎻 Spirocore for cello
Spirocore G and C strings for cello have been trusted by outstanding performers for decades. The flexible spiral core with tungsten windings produces a clear, open and easily modulated tone that radiates through the concert hall. Punch and growl on demand, a fast bow response and outstanding durability.
👑 Peter Infeld (PI) — the flagship for the most demanding performers
Violin · Concert level · Thomastik-Infeld flagship
Peter Infeld — the highest level of expressiveness for the soloist
Named in honour of Peter Infeld, who led the company and developed it for 15 years. The brand's flagship for the highest level of performance.
👑 PI tonal character
Peter Infeld delivers an extraordinarily complex and rich sound with exceptional concert hall projection. Perfect bow response at any dynamic. Full and warm tone in the lower register, bright and projecting in the upper. The first choice for performers who demand maximum expressiveness and a "voice" on any stage.
📐 PI sets
PI is available as a complete set and as individual strings. Particularly popular is the mixed approach: PI A, D, G — combined with different E-string options (including the gold-plated PI E or a Dominant E for individual balance). Such a "custom set" allows the performer to fine-tune the sound to their specific instrument.
💫 Vision and Rondo — for stage and studio
🎻 Vision — bright and projecting
The Vision series offers a bright, projecting character for orchestral and chamber performance. Vision Solo — for the soloist, with enhanced projection and a brilliant top register. Vision Titanium Solo — with titanium winding for an even brighter and more "metallic" character. Available for violin in several sizes.
🌿 Rondo — warm and balanced
Rondo is for performers seeking a warm, balanced tone with an "old-world" feel combined with the reliability of modern materials. Ideal for chamber ensembles where blend matters more than individual projection. Rondo G and D are especially popular in mixed sets with other TI strings.
📐 Superflexible
Superflexible — a series with a steel core and a soft, comfortable playing feel. Ideal for those who want the reliability and stability of steel with maximum left-hand flexibility and comfort. Available for violin and performs well in a variety of climatic conditions.
🔴🔵 Infeld Red and Infeld Blue — for violin
🔴 Infeld Red — warmth and depth
Infeld Red are synthetic strings with a warm, dark tone and great depth. Ideal for violins with a bright or "edgy" character that needs balancing warmth. Also a good choice for chamber playing where a harmonious "support" within the ensemble is needed. Comfortable response and low finger noise.
🔵 Infeld Blue — projection and brilliance
Infeld Blue are synthetic strings with a brilliant, focused tone and strong projection. Ideal for instruments with a dark or muffled character — they "open up" the violin and add sparkle. Also popular with soloists who need to project clearly above the orchestra. Works beautifully in mixed sets with Infeld Red.
🎓 Alphayue and Versum — for beginners and cellists
🎓 Alphayue — the first step into Thomastik
Alphayue — an accessible series for students and beginners. Despite sitting in a lower price range, Alphayue upholds Thomastik-Infeld quality principles: stable tuning, comfortable feel and sufficient tone for learning. Available for violin and viola. The ideal first choice for those just starting out who want Austrian quality at a sensible price.
🎻 Versum — for the modern cellist
Versum — a cello series that combines warmth and projection. Designed for the contemporary performer who values a wide dynamic range and expressive versatility across different styles — from classical repertoire to modern chamber music. The upper and lower Versum strings are perfectly balanced with one another.
🎵 Other orchestral series
Thomastik-Infeld also produces strings for viola (Dominant, Spirocore, Vision and Rondo for viola) and specialist series for less common instruments: Sympathy for viola d'amore and Erhu for the two-string Chinese fiddle. A comprehensive choice of strings for every instrument is a hallmark of the brand.
🎸 Thomastik-Infeld Guitar Strings
🎷 Jazz Swing Flat Wound — the jazz benchmark
Jazz Swing Flat Wound — the strings against which all other jazz flatwounds are measured. A perfect balance of fundamentals and overtones critical to the jazz sound. Exceptional intonation for complex jazz voicings. Some players say these highly durable strings actually improve with age. "Reference standard" is not hyperbole — it is the simple truth.
🎸 Jazz BeBop Round Wound
Jazz BeBop Round Wound — for those who want a jazz character with a brighter, more attacked sound. Roundwound strings with a characteristic "live" feel and more upper-register presence than flatwounds. Ideal for bebop and fusion, where articulation and note definition in fast lines matter most.
🎸 George Benson Jazz
The George Benson Jazz series is the result of collaboration with one of the greatest jazz guitarists of all time. This line reflects George Benson's personal preferences for the balance between warmth and projection — ideal for players seeking his signature sound in jazz and pop-jazz contexts.
🎸 Blues Sliders — for blues and vintage tones
Blues Sliders — electric guitar strings for a warm, smooth sound in the spirit of vintage blues and R&B. Silk core with nickel roundwound for the basses and brass-plated steel for the trebles — a unique construction that minimises finger noise and delivers a characteristic "slidey" feel even without a slide.
🎸 Spectrum and Plectrum — for acoustic guitar
Spectrum — acoustic recording strings: silver steel trebles, polished bronze windings. Balanced tone ideal for studio sessions. Plectrum — softer, low-tension acoustic strings with a bronze coating. Gentle sound, comfortable playing — ideal for fingerstyle and intimate acoustic performance.
🎸 Thomastik-Infeld Bass Strings
🎸 Jazz Flat Wound — the jazz bass standard
Jazz Flat Wound for bass guitar is the standard for electric jazz bassists. A highly pliable steel core wrapped with a silk inlay, with an outer winding of a true ribbon flatwound nickel alloy. The result: an incredible depth of tone and an enhanced fundamental unavailable from any other flatwound. Impeccably balanced. Smooth and easy under the fingers. Zero finger noise. Gentle on frets and fretless fingerboards.
🎸 Jazz Round Wound and Power Bass
Jazz Round Wound — nickel roundwound on a round core. A brighter, more attacked alternative to flatwounds for jazz styles requiring more projection. Power Bass — roundwound strings with a powerful sound for rock and R&B. Both series begin with a steel core wrapped in silk — Thomastik-Infeld's signature bass guitar construction.
🎻 Spirocore for double bass
Spirocore for double bass — the legendary choice for decades. The spiral steel core delivers exceptional flexibility, a bright tone and long sustain — ideal for pizzicato in jazz and arco in classical and avant-garde music. The first choice for performers from the chamber stage to the New York jazz clubs.
📊 Violin Series Comparison
| Series | Core | Tonal character | Level | Instruments |
|---|---|---|---|---|
| Alphayue | Synthetic | Soft, student | Beginner | Violin, viola |
| Dominant | Perlon | Warm, gut-like | Intermediate–Advanced | Violin, viola, cello |
| Dominant Pro | Perlon (updated) | Warm, wider range | Advanced–Professional | Violin |
| DYNAMO | Innovative | Unique new qualities | Advanced–Professional | Violin |
| Infeld Red | Synthetic | Warm, dark | Advanced | Violin |
| Infeld Blue | Synthetic | Bright, focused | Advanced | Violin |
| Vision / Vision Solo | Synthetic | Bright, projecting | Advanced–Soloist | Violin |
| Rondo | Synthetic | Warm, balanced | Professional–Soloist | Violin |
| Peter Infeld (PI) | Synthetic | Complex, projecting | Concert soloist | Violin |
| Spirocore | Spiral steel | Bright, long sustain | All levels | Violin, viola, cello, bass |
| Versum | Synthetic | Warm, wide range | Advanced–Professional | Cello |
🎯 How to Choose Thomastik-Infeld Strings: 8 Scenarios
🎓 I'm learning to play violinAlphayue — affordable, stable and made to Thomastik standards. The ideal first step for student and parent alike, without overspending.
🎻 Experienced student / conservatoire playerDominant — the classic trusted for over 50 years. Warm, balanced tone. You can't go wrong here.
🏆 Young performer, I want a "grown-up" soundDominant Pro or Vision Solo. Dominant Pro — familiar character with more projection. Vision Solo — bright and solo-focused.
👑 Soloist, I need maximum expressivenessPeter Infeld (PI) — the flagship for the highest level. Or Rondo for a warmer, more chamber-oriented character. They can also be combined.
⚡ I want something new and differentDYNAMO (2023) — for those ready to explore a new sound and new possibilities. Thomastik's revolutionary latest innovation.
🎷 I play jazz on electric guitarJazz Swing Flat Wound — the absolute benchmark. Jazz BeBop for a brighter bebop sound. George Benson Jazz for classic warm jazz tone.
🎸 Jazz bassist or double bassistJazz Flat Wound for bass guitar — the genre standard. Spirocore for double bass — the legendary choice for decades.
🎻 I play cello and want more projectionSpirocore G and C (tungsten) — powerful, open tone with strong projection. Versum — warm balance for a wide range of repertoire.
❓ Frequently Asked Questions about Thomastik-Infeld
What are Thomastik-Infeld Dominant strings and how do they differ from gut?
Dominant are the world's most widely played synthetic perlon-core strings, launched in 1970. They deliver gut-like warmth and roundness with significantly greater stability, faster playing-in and longer life than natural gut. The benchmark for violinists from intermediate to the highest professional level for over 50 years.
What is the difference between Dominant and Dominant Pro?
Dominant (1970) — the classic with warm, balanced tone. Dominant Pro (2021) — a modern reimagining for its 50th anniversary: the same character with expanded projection and dynamic range for the contemporary player.
What are Thomastik Spirocore strings and which instruments are they for?
Spirocore are strings with a spiral rope steel core. For violin, viola, cello and double bass. Exceptional flexibility, brilliant trebles, focused midrange, powerful low end with long sustain. The classic choice for jazz double bassists worldwide.
Which Thomastik strings are best for jazz on electric guitar?
Jazz Swing Flat Wound — the reference flatwound strings for jazz. Jazz BeBop Round Wound for bebop with a brighter sound. George Benson Jazz for classic warm jazz tone.
Where are Thomastik-Infeld strings made?
All Thomastik-Infeld strings are made in Vienna, Austria, since 1919. Manufacturing has remained in Vienna as a matter of principle — over 100 years in the same place.
What is the difference between Peter Infeld and Vision Solo?
Peter Infeld (PI) is the brand flagship: extraordinarily complex sound, maximum projection for the concert soloist. Vision Solo is bright and projecting for soloists and chamber players. PI is for the most demanding performers; Vision Solo is a powerful alternative with a somewhat brighter character.
🏆 Why buy Thomastik-Infeld at SoundsGood
Official Thomastik-Infeld DealerSoundsGood is the Official Dealer of Thomastik-Infeld in Ukraine. Genuine products, manufacturer warranty and the full product range.
Full range in stockFrom Alphayue for beginners to Peter Infeld for concert soloists — all series available. Orchestral, guitar and bass strings.
Expert adviceWe help you choose strings for your instrument, level, style and goals. We know the range — we don't guess.
Nationwide deliveryFree from ₴4,000. Careful packaging. In-store pickup: 15 Olzhycha St, Kyiv (Dorohozhychi metro).
0% instalment paymentPrivatBank and monobank — no interest even on professional series strings.
Showroom in Kyiv15 Olzhycha St (Dorohozhychi metro). Mon–Fri 11:00–18:00. Personal consultation and hands-on advice.
📍 SoundsGood Contact Information
✉️ Emailinfo@soundsgood.kiev.ua
📍 Address (Kyiv)15 Olzhycha St
Dorohozhychi, 04116
Dorohozhychi, 04116
🕐 Opening hoursMon–Fri: 11:00–18:00
Sat–Sun: closed
Sat–Sun: closed
🌐 Websitesoundsgood.com.ua
📦 DeliveryFree from ₴4,000
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Nationwide