Martin Era Jason Isbell Signature Treated Phosphor Bronze Acoustic Guitar Strings – 12–54 pickup Tuning machines golden with lyre

Tuning machines golden with lyre design and black buttons

The laminate maple body features a maple center block that provides excellent sustain and minimizes feedback

Durable Tortex material with excellent memory

Pickups Powers Electric PF42

With a smooth surface and traditional shape

Martin Era Jason Isbell Signature Treated Phosphor Bronze Acoustic Guitar Strings – 12–54 pickup Tuning machines golden with lyreDeveloped in collaboration with six time GRAMMY winner Jason Isbell, Martin Era Jason Isbell Signature strings are built to deliver a warm, broken in tone with a natural feel that responds beautifully to dynamic playing. Designed to reflect Jasons preference for a traditional, expressive acoustic sound, this Artist Light set blends classic phosphor bronze character with modern string technology for exceptional balance, clarity, and touch sensitivity.