Ernie Ball FLATS GROUP 2.5 45-105
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What you need to know
What you need to know
- Ultra comfortable feel thanks to the polished stainless steel flatwound, soft and smooth under the fingers
- Rich and warm sound ideal for round grooves, fingerstyle playing, and styles that require depth
- Reduced fret noise typical of flatwounds: cleaner playing, perfect for both studio and stage
- Ernie Ball manufacturing precision with strict quality control for a consistent feel string after string
Manufacturer Information
Ernie Ball
https://www.ernieball.com
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Safety manager:
Algam SAS
Email: contact@algam.net
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The "Flats" Character: Softness, Roundness, and Control
With the Ernie Ball Flats Group 2.5 45-105, you enter the world of flatwound strings: a softer attack, controlled sustain, and a noticeably more "vintage" tone than a set of roundwound strings. The polished stainless steel flatwound provides a particularly pleasant feel while delivering a balanced response that works well in soul, jazz, pop, reggae, as well as for achieving an old-school foundation on a modern bass.
Technical specifications
| Tension | Medium | 1st cord pull | 45 |
| Type of cord attachment | Ball end | Nbr of strings | 4 |
| Category | 4-string bass | Spun | flat |
| Draw | 45-65-85-105 | Material | stainless steel |
| Number of strings | 4 | Winding | flatwound |
Questions frequently asked
What are the gauges of the Ernie Ball 2805 Flats Group 2.5?
The set includes four strings in 45-65-85-105, with the first string at .045. The tension is labeled as medium.
Are these strings suitable for a 4-string bass?
This model is designed for a 4-string bass and features ball ends.
What sound do stainless steel flatwound strings produce?
The polished stainless steel flatwound produces a soft attack, controlled sustain, and a vintage tone. The sonic response remains balanced for soul, jazz, pop, or reggae registers.
Is the playing feel smooth with this flatwound?
Thanks to the polished flatwound, the string surface offers a pleasant feel under the fingers.
For which styles are the Flats 45-105 recommended?
The tonal foundation of this 45-105 gauge suits soul, jazz, pop, and reggae styles. An old-school character can also be sought on a modern bass. The tone is more vintage than with a roundwound.



