D'ADDARIO 4/4 HELICORE CELLO SINGLE C STRING SCALE MEDIUM TENSION
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Manufacturer Information
D'addario And Co
https://www.daddario.com
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D'Addario Europe Ltd
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The Helicore Series: A Modern Reference from D'Addario
The D'Addario Helicore range has established itself as a versatile solution for cellists seeking the reliability of steel with warm musicality. Thanks to careful design and selected materials, these strings aim for consistent tuning stability and optimized longevity, while maintaining immediate response. Manufactured in the USA with the brand's rigorous quality controls, this ensures consistency from one playing session to another.
Who Is It For, and In What Playing Contexts?
This Helicore C string Medium tension is intended for the vast majority of profiles : conservatory students, demanding amateur musicians, and professionals needing a robust string for daily use. Its quick response makes it particularly comfortable for bowing techniques (detache, martelé, spiccato) and in varied contexts: classical, chamber music, orchestra, as well as more modern repertoires where precision and a clear attack are sought.
Sound Characteristics
With its multi-strand steel core, the Helicore delivers a sound that is both clear and warm, with crisp articulation. The smaller diameter contributes to a responsive feel under the bow, useful for achieving quick vibration initiation and immediate dynamic control. The tungsten/silver winding on the C string adds density and foundation in the low register, while promoting good tuning stability, appreciated both in rehearsals and concerts.
Recommended Compatible Accessories
To preserve the longevity and stability of this string, using a rosin suited to your bow and regularly checking the condition of the bridge and contact points (nut, bridge groove) are recommended. If you are replacing only the C string, be sure to maintain tension consistency with the rest of your string set (Medium tension) to keep a balanced setup.
Technical specifications
| Format | 4/4 |
| Tension | Medium |
| Type of cord attachment | Ball end |
| Category | Cello |
| Nbr of strings | 1 |
| Instrument | cello |
| Size | 4/4 |
| Compatible neck length | 700 mm |
| String | C (single string) |
| Core | multi-filament steel |
| Winding | tungsten/silver |
| Response | quick to the bow |
| Sound character | clear and warm |
| Design and manufacturing | USA |
| Quality control | industry-leading standards |
Questions frequently asked
Is this C string compatible with a 4/4 cello?
This single string is designed for a 4/4 cello and fits a fingerboard length of 700 mm. Its ball end matches the specified setup.
What sound does a Helicore Medium C string produce?
The multi-filament steel core provides a clear and warm character. The tungsten/silver winding enhances the foundation of the low register.
Does the D'Addario Helicore Medium C string respond quickly to the bow?
Its reduced diameter and multi-strand steel core promote rapid vibration. The response suits détaché, martelé, and spiccato bowing. This design allows immediate control of dynamics.
Can only the C string be replaced with this model?
It is possible to replace only the C string with this single sold model. Maintaining a Medium tension on the rest of the set helps preserve a balanced consistency.
Which tension should be chosen for a Helicore cello C string?
The Medium tension suits a wide range of players, from conservatory students to professional musicians. It combines quick bow response with tuning stability appropriate for rehearsals and concerts.



