Martin® has revolutionised acoustic guitar strings with their Authentic Acoustic® Flexible Core range, engineered specifically to combat finger fatigue whilst enabling extraordinary string bends. These innovative strings combine a lighter gauge Superior Performance core wire with heavier wrap wire, creating an optimal balance between playability and tonal richness.
The unique construction allows guitarists to achieve massive bends with significantly less effort, making extended playing sessions more comfortable and enjoyable. The heavier wrap wire ensures that despite the increased flexibility, the strings maintain a full, balanced tone that meets Martin®'s exacting acoustic standards.
Martin®'s commitment to excellence extends beyond design to their precision manufacturing process. By maintaining complete control over production, they ensure every set of Authentic Acoustic® Flexible Core strings meets the impeccable standards that have made Martin® synonymous with superior acoustic guitar tone.
- Gauges: .011-.013-.023-.028-.038-.047
- Tension 128
- Flexible Core strings designed to reduce finger fatigue and allow huge bends
- Full and balanced tone with increased flex and playability



