D'ADDARIO SET OF STRINGS FOR CELLO TUNED IN QUARTERS HELICORE NECK 4/4 TENSION MEDIUM
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D'addario And Co
https://www.daddario.com
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Helicore: a modern D'Addario reference for precision and versatility
The Helicore series has established itself at D'Addario as a family of strings focused on responsiveness, stability, and balanced sound, notably thanks to its multi-strand steel core construction. This "tuned in fourths" version retains the Helicore DNA while adapting it to a very specific need: to bring the reference points of a bass tuning (E-A-D-G) to the cello and open the instrument to more hybrid uses, blending bowing technique, pizzicato, and playing inspired by lower-pitched instruments.
For whom and in which styles?
This set is aimed at curious cellists (intermediate to advanced level) who want to experiment with an alternative tuning and explore new fingerings, ranges, and voicings. It is also very relevant for bassists and guitarists approaching the cello: the E-A-D-G tuning facilitates adaptation by maintaining a familiar logic. In terms of styles, this setup is particularly suited to contemporary music, amplified projects, folk/bluegrass aesthetics, film music textures, as well as contexts where a more "bass-like" playing on a bowed instrument is sought.
Sound characteristics
The multi-strand steel core construction provides an immediate response sensation: the bow "grips" quickly, the note starts cleanly, and playing gains precision, especially in attacks and string changes. Sonically, the set is described as rich and powerful, with notable clarity and a balanced evenness across the strings. This character suits musicians who want a clear definition, solid projection, and a short adaptation time after installation.
Recommended compatible accessories
To accompany the setup and preserve the lifespan of your strings, a chromatic tuner (or a reliable tuning app) is useful to quickly stabilize the E-A-D-G tuning. A soft cloth allows you to wipe rosin off after each session, and a rosin suited to your bow helps maintain consistent grip, especially during the first hours of break-in.
Technical specifications
| Format | 4/4 |
| Tension | Medium |
| Type of cord attachment | Ball end |
| Category | Cello |
| Nbr of strings | 4 |
| Instrument | cello |
| Size | 4/4 |
| Neck length | 700 mm |
| Intended tuning | E-A-D-G (from low to high) |
| Tuning type | double bass tuning, in fourths |
| Core | multi-strand steel |
| Playing goal | quick response to the bow |
| Adaptation time | rapid after installation |
| Sound | rich and powerful |
| Rendering | clarity and balance across all strings |
| Versatility | adapts to very varied playing styles and instruments |
| Brand | D'Addario |
| Series | Helicore |
| Design and manufacturing | USA |
| Quality control | demanding industrial standards |
| Product type | cello string set "tuned in fourths" |
| Main use | alternative playing style on the cello, facilitated reference points for bassists and guitarists |
Questions frequently asked
What tuning does this Helicore set offer for cello?
The intended tuning is E-A-D-G, from low to high, following the bass tuning logic in fourths. It facilitates familiarity for bassists and guitarists transitioning to cello.
Are these strings compatible with a 4/4 cello?
This set is designed for a 4/4 size cello, with a specified neck length of 700 mm. All four strings have ball-end attachments.
What is the tension of this string set?
Medium tension is used for this set of four strings.
What sound is produced with the D'Addario Helicore strings tuned in fourths?
The multi-strand steel core promotes a quick response to the bow and clear note articulation. The tone is described as rich and powerful, with clarity across all strings.
For which styles is a cello tuned E-A-D-G used?
This setup is suited to contemporary music, amplified projects, and folk or bluegrass aesthetics. It also allows exploration of film music textures and playing inspired by low-pitched instruments. A chromatic tuner helps stabilize this tuning after installation.



