D’Addario J4503 is a Pro Arte classical guitar single string for nylon‑string (classical) guitars. It features a nylon core with silver‑plated wound wrap that delivers the warm, expressive tone characteristic of high‑quality classical bass strings.
String role: Designed as the third string (G) in a standard classical guitar set.
Series: Part of D’Addario’s Pro Arte line, offering consistent tension, good intonation, and a balanced tonal response.
Use case: Ideal as a replacement third string (G) for student, intermediate, or professional classical guitars, or for building custom classical string configurations.