D'ADDARIO SET OF STRINGS FOR HYBRID DOUBLE BASS HELICORE 3/4 FRET FRETBOARD HEAVY TENSION
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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 Helicore series is designed to offer quick response and great versatility thanks to a multi-filament core (multi-strand). In the Hybrid version, D'Addario seeks a particularly relevant balance for double bassists who alternate techniques: a reliable foundation in pizzicato while maintaining a clear response to the bow. Made in the USA, these strings undergo rigorous quality controls to ensure consistency from set to set.
Intended use and target double bassist
This set is aimed at intermediate to advanced double bassists who want a single set capable of covering multiple contexts. The Heavy tension is especially suitable for those seeking more projection and a firmer feel under the right hand, particularly in pizzicato. Regarding styles, it offers true versatility: symphonic (bow response), jazz (attack and definition), bluegrass, and more broadly any situation where a present, clear, and stable sound is desired.
Sound characteristics
The multi-strand steel core contributes to a tone that is both warm and clear, with a quick response and comfortable playability under the left hand. In pizzicato, the balance is crafted to provide solid sustain and a well-defined note, while with the bow the string promotes a more immediate vibration and clean articulation. The heavy tension enhances projection and stability, generally resulting in a more direct and assertive sound.
Technical specifications
| Format | 3/4 |
| Tension | Hard |
| Type of cord attachment | Ball end |
| Category | double bass |
| Nbr of strings | 4 |
| Instrument | 3/4 double bass |
| Compatible neck length | 1060 mm |
| Model | D'Addario Helicore Hybrid |
| Construction | multi-strand steel core |
| Character | warm and clear tone |
| Set | good balance between pizzicato sustain and bow response |
| Manufacturing | USA |
| Quality control | high manufacturing standards |
Questions frequently asked
Are these strings compatible with a 3/4 double bass?
The set is designed for the 3/4 size and fits a compatible neck length of 1060 mm. It includes 4 strings with ball-end fittings.
What does the Heavy tension provide on the Helicore Hybrid?
The heavy tension offers a firmer feel under the right hand and enhances projection. It also promotes a more immediate response, especially in pizzicato.
Is the D'Addario Helicore Hybrid Heavy set suitable for arco playing?
The multi-strand steel core facilitates immediate vibration when bowed. The articulation remains clear, with a precise response. A balance is also sought with sustain in pizzicato.
What kind of sound do these double bass strings produce?
The multi-strand steel core construction yields a warm and clear character, with a well-defined note in pizzicato.
For which styles are these Heavy strings suitable?
This reference is intended for intermediate to advanced double bass players, notably in symphonic, jazz, or bluegrass styles. The manufacturing is done in the USA according to high-quality control standards.



