Thomastik STRINGS ALTO DOMINANT SOLID CORE NYLON MEDIUM 138
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What you need to know
What you need to know
- Synthetic multifilament nylon fiber core : flexible response, "flexible" feel under the fingers, and excellent playability.
- Remarkable stability : string advertised as insensitive to humidity variations, ideal for consecutive rehearsals, concerts, and travel.
- Soft and rich timbre : a warm sound, rich in harmonics, with a tone reminiscent of gut strings.
- G string with silver winding : a solid and singing foundation for the low string, with a strong presence in the lower midrange.
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
Address:
A modern reference: the tradition of gut, the stability of synthetic
The search for the "reference string" has long opposed two worlds: gut, appreciated for its warmth and harmonic complexity, and metal strings, favored for their tuning stability and projection. Multifilament synthetic cores have established themselves as a highly sought-after balance: they maintain a flexible feel and a musical grain close to gut, while offering more stable behavior in daily use. In this logic, a G string with a multifilament nylon core and silver winding clearly aims for comfortable play, a wide palette of nuances, and reassuring reliability, without sacrificing timbral richness.
For which musician and repertoire?
As a G string (the low string, most often on a violin), this model is intended for demanding beginners as well as intermediate and advanced players who want an easy-to-handle string, pleasant under the bow, and homogeneous in ensemble. Its soft, warm, and harmonic character is particularly suited to classical music, chamber music, and orchestra, where a round and stable sound foundation is sought. It may also appeal to musicians who work on long-term sound (vibrato, legato, piano dynamics), thanks to a "breathing" tension sensation and progressive response.
Sound characteristics
The multifilament nylon fiber core plays a central role: it promotes a softer attack, a pleasant elasticity in the left hand, and a forgiving response during bowing changes. This construction tends to produce a harmonically rich spectrum, with warmth and "roundness" often associated with gut, while remaining more stable. The silver winding on the G string adds body and density in the low register, with a present lower midrange and an enveloping sound. Depending on the chosen tension (soft, medium, strong), you can tailor the output: more ease and softness at low tension, or more foundation and resistance under the bow at high tension.
Recommended compatible accessories
To get the best out of this string daily, universal accessories can help: a chromatic tuner to quickly stabilize tuning after installation, a microfiber cloth to wipe the string after playing (rosin residue), and a graphite pencil (dry lead) to lightly lubricate contact points at the nut and bridge during setup, to limit sticking during tuning.
Technical specifications
| Type of cord attachment | Loop end |
| Category | Alto |
| Draw | 4/4 |
| Nbr of strings | 1 |
| Spun | Silver |
| Material | Synthetic core |
| Element | G string |
| Position | low string (G) |
| Construction | multifilament |
| Behavior | flexible |
| G string | silver winding |
| Tone | soft sound |
| Harmonics | rich in harmonics |
| Warmth | gut string warmth (reported feel) |
| Humidity | advertised as insensitive to humidity changes |
| Soft tension | 4.4 kg / 9.7 lbs |
| Medium tension | 4.8 kg / 10.6 lbs |
| Strong tension | 5.2 kg / 11.5 lbs |
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Questions frequently asked
Is the Thomastik Dominant 138 suitable for a 4/4 viola?
This G string is recommended for a 4/4 viola and is used as the instrument's low string.
What is the tension of the Dominant 138 medium G string?
At medium draw, the stated tension is 4.8 kg, or 10.6 lbs. The light and strong tensions are respectively 4.4 kg and 5.2 kg.
What sound does a Dominant G string with a synthetic core produce?
The multi-filament nylon core provides a flexible response under the bow and a tone rich in harmonics. The silver winding adds body in the lower register with a warm sound. A gut-like feel is claimed, with better stability against humidity changes.
Does the Dominant 138 G string have a loop?
The attachment system is looped, as specified.
What accessories should be used to install this viola string?
A chromatic tuner helps stabilize the tuning after installation. A graphite pencil can be lightly applied to the nut and bridge to reduce sticking during tuning. A microfiber cloth is useful for wiping off rosin residue after playing.
