Ernie Ball .040 EARTHWOOD 80/20 BRONZE ACOUSTIC GUITAR STRINGS
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Manufacturer Information
Ernie Ball
https://www.ernieball.com
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Algam SAS
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Brightness, dynamics, and presence for acoustic guitar
The Ernie Ball Earthwood 80/20 Bronze strings are designed for musicians seeking a bright tonal color, good definition, and immediate response under the fingers. Thanks to their 80/20 bronze, they deliver a very musical clarity and an expressive high end, particularly appreciated on open rhythms, arpeggios, and melodic parts. The hexagonal core structure contributes to a precise feel and reassuring stability, while the sustain highlights harmonics and note length, whether you play with a pick or fingerstyle.
Technical specifications
| Type of cord attachment | Ball end | Nbr of strings | 1 |
| Category | Acoustic single string | Spun | round |
| Draw | 40 | Material | bronze |
| Type | acoustic guitar strings | Core Material | tin-plated steel |
| Alloy | 80% copper / 20% zinc (80/20 Bronze) | Sound Characteristic | crystal-clear sound, rich in harmonics, with lots of sustain |
| Construction | wound alloy wire | Gauge / Reference | 40 |
| Core | hexagonal | ||
Questions frequently asked
Is this 40 gauge string sold individually?
This reference is supplied with a single acoustic string, gauge 40.
What sound does 80/20 bronze produce on an acoustic guitar?
The alloy of 80% copper and 20% zinc promotes a bright sound, rich in harmonics. The specified response emphasizes clarity and sustain.
Ernie Ball Earthwood 80/20 Bronze 40: what is the gauge?
The indicated gauge is 40. This string corresponds to the 40 reference in the Earthwood 80/20 Bronze range.
Does the string have a ball end?
A ball end is integrated. It is designed for acoustic guitars using this type of bridge attachment.
What is the construction of this acoustic string?
The string uses an 80/20 bronze alloy wire with round winding. Its hexagonal core is made of tin-plated steel, a construction associated with a precise feel. The reported output maintains a lot of sustain.



