Description
This .030 gauge single string is part of Ernie Ball’s Earthwood Phosphor Bronze line, built for players who want a warm, mellow voice without sacrificing note definition. The wrap wire is a phosphor bronze blend—92% copper, 7.7% tin, and 0.3% phosphorus—wound over a tin-plated hex-shaped steel core. That hexagonal core shape gives the winding a firm, consistent grip along the string’s length, which helps the string hold its tuning and tone over repeated use.
Visually, the phosphor bronze wrap gives the string a light orange-gold hue, a hallmark of this alloy family. Tonally, it trades some of the brightness of standard bronze for a rounder, more balanced sound with excellent sustain and clarity across the fretboard.
This .030 wire is one of the individual gauges from Ernie Ball’s Earthwood Phosphor Bronze set, which spans .010, .014, .020w, .028, .040, and .050. Pick it up as a spare for your current set, to customize your own gauge combination, or to keep on hand for quick string changes.
- Alloy: 92% copper, 7.7% tin, 0.3% phosphorus wrap wire
- Core: tin-plated hex-shaped steel
- Tone: mellow, ringing, with strong clarity
- Gauge: .030
- Part of the Earthwood Phosphor Bronze set gauges: .010, .014, .020w, .028, .040, .050





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