The Martin MA535 Authentic Acoustic SP strings are Martin's Superior Performance phosphor bronze set in a Custom Light gauge (.011–.052). They're wound with 92/8 phosphor bronze — meaning 92% copper and 8% tin — giving them the warmer, slightly darker character that phosphor bronze is known for compared to 80/20 bronze. These are a single set of six strings designed for standard acoustic guitar.
Martin builds these with a higher tensile-strength core wire that's tin-plated on all six strings. That tin plating adds corrosion resistance while the tighter core construction contributes to better tuning stability and a quicker, more responsive feel under the pick. Custom Light gauge sits between Extra Light and Light, making it a popular choice for players who want a little more body and volume than an extra light set without the full tension of a standard light set. Total set tension comes in at 155.1 lbs.
Product Features:
- 92/8 Phosphor Bronze wrap wire
- Custom Light gauge: .011, .015, .023, .032, .042, .052
- Higher tensile-strength, tin-plated core wire on all six strings
- Total set tension: 155.1 lbs
- Fuller tone, quicker response, and increased tuning stability
- Designed for acoustic guitar
Brand: Martin
Model: MA535 Authentic Acoustic SP 92/8 Phosphor Bronze Custom Light
SKU: MA535
Condition: New
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