D'Addario's 80/20 Bronze strings represent the brightest end of the acoustic spectrum, built on a formula that John D'Addario Sr. and luthier John D'Angelico pioneered in the 1930s. The fundamental appeal hasn't shifted: these strings deliver pronounced clarity and snap across the treble frequencies. They're engineered for 12-string acoustics of any manufacture, with the 10–47 light gauge sitting at the most-ordered weight for this configuration.
Construction centres on a high-carbon steel core wrapped in 80/20 bronze wire—that ratio of 80 per cent copper and 20 per cent zinc creates the signature brightness that cuts through without sacrificing sustain. Round-wound construction maintains tonal consistency across all twelve strings. The uncoated finish means faster response and maximum vibrancy, though string life will be shorter than coated alternatives. Light gauge (0.010 to 0.047) balances projection against neck strain, offering playability without compromising acoustic output or harmonic depth.
The 12-string format demands strings that handle increased tension whilst maintaining tonal coherence between course pairs. This gauge excels in fingerstyle contexts where articulation matters; the brightened voicing also suits strumming-driven arrangements that benefit from pronounced definition. Players chasing vintage-leaning tone without modern dampening will find the uncoated, unblemished response particularly appealing.
Features
- 80/20 bronze wrap wire for bright, sparkling acoustic tone
- High-carbon steel core for depth and harmonic richness
- Round-wound construction, uncoated finish for maximum responsiveness
- 12-string set, light gauge 10–47 span
- Suitable for all 12-string acoustic guitar models
- 0.010 to 0.047 gauge offers comfortable playability and projection balance
- Fast response and pronounced clarity across treble frequencies
- Vintage-forward tone without synthetic coatings or dampening layers



