When tone, durability, and reliability matter, trust Martin Authentic Acoustic SP 92/8 Phosphor Bronze Single Strings — the perfect solution for replacing a broken string or building your custom gauge set. Handcrafted by C.F. Martin & Co., these strings feature a bronzed steel core wire and 80/20 bronze wrap wire, offering players a bright, articulate tone that cuts through beautifully in live and studio settings.

The Martin Authentic SP line is Martin's flagship string series, known for delivering long-lasting tone, tuning stability, and superior playability. These single strings are ideal for guitarists who want to maintain their tone without buying an entire set—great for backup strings or tailoring your own custom string gauges.

Product Specifications:

• Brand: Martin

• Type: Single Acoustic Guitar String

• Series: Martin Authentic Acoustic SP

• Material: 92/8 Bronze (bronze wrap with bronzed steel core)

• Use: Ideal for creating custom sets or replacing individual strings

• Tone Profile: Bright, punchy, and clear

• Playability: Designed for daily play and players of all skill levels

• Durability: Excellent for both practice and performance use

Perfect for acoustic players who demand tonal precision and long-lasting performance, this .023 / .025 .026 / .030 / .035 / .039 / .042 / .045 / .047 / .052 / .054 / .056 gauge single string is commonly found in light gauge sets like Martin’s MA535 and is ready to fill in during a gig, studio session, or daily practice.

Tech Specs

• Brand: Martin
• Collection: Authentic Acoustic
• Wrap material: Phosphor Bronze / 92/8 Bronze
• Construction: Round Wound
• Core shape: Hex Core
• Anchor: Ball
  
• Gauge: .023, .025, .026, .030, .035, .039, .042, .045, .047, .052, .054, .056