Thomastik STRINGS ALTO SPIROCORE SPIRAL CORE MEDIUM S23
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What you need to know
What you need to know
- Flexible spiral core : smooth playing feel and quick response under the fingers.
- Versatile bow/pizzicato : clear attack and good grip without sacrificing projection.
- Chrome steel set : stability, tuning retention, and durability suitable for regular use.
- Medium tension : 28.3 kg / 62.4 lbs for a balance of comfort and power.
Manufacturer Information
Thomastik
https://www.thomastik-infeld.com
info@thomastik-infeld.com
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Safety manager:
GEWA music GmbH
Email: info@gewamusic.com
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A "Flexible Spiral" Design Engineered for Versatility
The flexible spiral core follows the tradition of steel strings designed to offer both stability and high responsiveness. This type of construction aims for an effective compromise: a less stiff feel than a solid core, while maintaining the precision and reliability expected on a cello.
For Which Musician and Uses?
This set is particularly suitable for beginner to intermediate cellists looking for a string that is easy to vibrate, as well as for advanced players who want a clear response during rehearsals, orchestra, or chamber music. It adapts well to both bowing and pizzicato passages.
Sound Characteristics
The steel construction with chrome plating promotes clear projection, precise attack, and good definition in the lower register. The flexible spiral core provides a more "lively" sensation under the bow, with quick response and clean articulation, while maintaining body and sustain in pizzicato.
Technical specifications
| Format | 4/4 | Category | Cello |
| Tension | Medium | Nbr of strings | 4 |
| Type of cord attachment | Ball end | ||
| Instrument | cello | Use | bow and pizzicato |
| Type | string set | Core | flexible spiral |
| Set | chrome steel | References | S18 / S19 / S20 / S22 |
Questions frequently asked
Are the Thomastik Spirocore S23 strings compatible with a 4/4 cello?
This set is designed for a 4/4 cello and includes 4 medium tension strings.
What type of attachment is used on this string set?
The strings feature a ball end attachment, as specified.
What tonal qualities do the Spirocore S23 strings provide?
The chrome steel construction promotes clear projection and precise attack. The chrome winding contributes to definition in the lower register. The flexible spiral core supports a quick response under the bow.
Are these cello strings suitable for pizzicato playing?
They are intended for bowing and pizzicato, providing body and sustain as expected when plucked.
What playing levels is this S23 set aimed at?
This model suits beginner to intermediate cellists seeking easy string vibration. It also meets the needs of advanced players in rehearsal, orchestra, or chamber music settings.



