D'ADDARIO SET OF STRINGS FOR HYBRID DOUBLE BASS HELICORE 1/2 TENSION NECK MEDIUM
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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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Helicore Hybrid: a versatile benchmark in the D'Addario range
The D'Addario Helicore series is designed to offer quick response and easy playability thanks to its multi-filament steel core. Within the range, the Hybrid version stands as an "all-terrain" solution: it aims for a natural balance between projection, control, and comfort, allowing players to switch registers without changing strings. Manufacturing and quality controls are carried out in the USA, ensuring consistency and reliability from set to set.
Who is it for, and what styles?
This Helicore Hybrid set in Medium tension is intended for double bassists seeking an accessible playing feel and balanced performance. It is well suited for beginner to intermediate musicians who want forgiving strings, as well as more advanced players looking for a versatile set for a 1/2 size instrument. In terms of repertoire, it performs comfortably in classical/symphonic, jazz, and bluegrass, thanks to an effective compromise between attack, note sustain, and bow control.
Sound characteristics
The multi-filament steel core of the Helicore Hybrid contributes to a quick response and a softer feel under the left hand, while maintaining the stability and precision typical of steel strings. The result is a warm and clear sound with good definition. In pizzicato, you benefit from balanced sustain and a clear attack. When played with the bow, the string responds directly and controllably, facilitating transitions between orchestral playing and amplified/rhythmic styles as needed.
Recommended compatible accessories
Technical specifications
| Format | 1/2 |
| Tension | Medium |
| Type of cord attachment | Ball end |
| Category | double bass |
| Nbr of strings | 4 |
| Instrument | double bass |
| Size | 1/2 |
| Compatible neck length | 975 mm (38" 3/8) |
| Series | D'Addario Helicore Hybrid |
| Core | multi-filament steel |
| Character | warm and clear sound |
| Balance | pizzicato sustain / bow response |
| Design and manufacturing | USA |
| Quality control | stringent checks according to the manufacturer |
Questions frequently asked
Are these strings compatible with a 1/2 double bass?
This set is designed for a 1/2 size double bass with a neck length of 975 mm (38" 3/8). It includes four ball-end strings.
What sound do the Helicore Hybrid Medium strings offer?
The multi-strand steel core delivers a warm and clear character with sharp definition. The pizzicato maintains balanced sustain, while the bow response remains direct.
Are D'Addario Helicore Hybrid strings suitable for jazz and arco playing?
The Hybrid design targets a balance between pizzicato sustain and bow control. They are suitable for jazz, classical/symphonic, and bluegrass repertoires.
What is the tension of this double bass string set?
Medium tension provides an accessible playing feel with a quick response due to the multi-filament steel core.
Is this set suitable for a beginner double bassist?
Intended for beginner to intermediate levels, these strings offer a softer feel under the left hand. Their manufacturing and quality controls are performed in the USA according to the manufacturer. The Medium tension supports balanced playability.



