D'Addario Nickel Bronze NB1256 Acoustic Guitar Strings
- 12-56 custom gauge
- Nickel-plated phosphor bronze wrap wire
- NY Steel core
- Uncoated, corrosion resistant
- Made in USA, New York
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
Uncoated nickel bronze strings for players who want their guitar's own wood tone to come through clearly. This heavier custom gauge asks for stronger fingers.
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ASIN: B019JD0ZNACategory: Acoustic Guitar Strings
Overview
Studios and small acoustic rooms, where a guitar's own voice matters most, are the target for these D'Addario nickel bronze strings. Nickel plating over phosphor bronze wrap wire adds corrosion resistance without any coating.
Clarity and focus are the reason to try them, letting the character of the wood come forward rather than the string. Being uncoated, they feel like traditional strings. The heavier gauge adds tension and volume.
Who it's for
Recording guitarists and fingerstyle players who want the instrument's natural sound. Newer players will find a lighter gauge more comfortable.
Pros and cons
- Clear, focused tone
- Uncoated traditional feel
- Corrosion resistant plating
- Heavier gauge needs more effort
- Shorter life than coated sets
- Only the outer gauges stated
Performance notes
Nickel plating slows corrosion on the wrap wire, which extends life compared with plain uncoated bronze. The steel core gives stable pitch. Heavier gauge raises tension for projection but needs a guitar setup that handles it.
Specifications
| Brand | D'Addario |
|---|---|
| Dimensions & fit | |
| Item weight | 1 ounce |
| Construction & materials | |
| String Material Type | Nickel-plated phosphor bronze |
| Material Type | NY Steel core |
| Coating Description | Uncoated |
| Warranty & support | |
| Warranty Description | Replaced if defective |
| Other details | |
| String Gauge | 12-56 custom |
| Instrument | Acoustic guitar |
Frequently asked questions
Are D'Addario Nickel Bronze strings coated?
No. They are uncoated. Nickel plating on the wrap wire adds natural corrosion resistance.
Where are D'Addario Nickel Bronze strings made?
In D'Addario's New York production facility, USA.
What sound do D'Addario Nickel Bronze strings have?
A clear, focused sound that lets the guitar's natural voice come through.