Thomastik STRINGS CELLOS SUPERFLEXIBLE STRING CORE MEDIUM 25
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What you need to know
What you need to know
- Steel cable core offering great flexibility and good elasticity for a quick response.
- Tuning stability designed to remain reliable even with regular use.
- Purity of the fifth for more accurate double stops and a more homogeneous ensemble.
- Long lifespan suitable for rehearsals and frequent performances.
Manufacturer Information
Thomastik
https://www.thomastik-infeld.com
info@thomastik-infeld.com
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GEWA music GmbH
Email: info@gewamusic.com
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A Modern String, Designed for Daily Reliability
Thanks to its steel core design, this "A" string aims for consistent performance over time: quick setup, stable tuning, and precise playing feel. Its chrome winding reflects an approach focused on clarity and durability.
For Which Violinist?
4/4 size, it is suitable for beginner to advanced violinists seeking a responsive and stable string. It integrates easily into classical music, orchestra, contemporary styles, or studio work, wherever a clear attack and secure intonation are appreciated.
Sound Characteristics
The chrome winding promotes a clear projection and a well-defined "A" register. The steel cable core provides a direct response, useful for articulation, string crossings, and quick dynamics, while maintaining a flexible feel depending on the chosen tension.
Technical specifications
| Format | 4/4 | Category | Violine |
| Tension | Medium | Nbr of strings | 1 |
| Type of cord attachment | Ball end | ||
| Type | Violin "A" string | Soft tension | 13.8 kg / 30.4 lbs |
| Size | 4/4 | Medium tension | 14.8 kg / 32.6 lbs |
| Core | steel cable, high flexibility and elasticity | Strong tension | 16.0 kg / 35.3 lbs |
| Winding | chrome | ||
Questions frequently asked
Is this A string suitable for a 4/4 violin?
This string is designed for a 4/4 size violin and corresponds to the A note.
What is the tension of the Thomastik Superflexible Core Medium 25 string?
The indicated medium tension is 14.8 kg, equivalent to 32.6 lbs. Light tension of 13.8 kg and heavy tension of 16.0 kg are also specified for this reference.
Is the A string ball-end or loop-end?
The fitting is ball-end type. It is therefore intended for a tailpiece compatible with this attachment style.
What sound does the chrome winding bring to this violin string?
The chrome winding promotes clear projection and a well-defined A register. The steel cable core contributes to a direct response in articulation and string changes.
Is it suitable for beginners starting the violin?
Its steel cable core, described as flexible and elastic, allows quick setup and stable tuning retention. This string can be used by violinists from beginner to advanced levels. It is suitable for classical music, orchestra, contemporary music, and studio work.



