Detail 01
Light .012-.054 gauge
This is the MA540 light-gauge set rather than a custom-light, light/medium, or medium option.
Product detailSKU #1500000223117
MartinMA540 SP Phosphor Bronze Authentic Acoustic Guitar Strings - Light (12-54)
1/2
Independent shopping perspective
The Korena take
MA540 SP is a light .012-.054 Authentic Acoustic set for acoustic guitar, built around 92/8 phosphor bronze wrap wire and tin-plated high-tensile cores. Martin describes the result as warm and rich, with the tone mellowing as the strings are used. The construction is also intended to resist corrosion and hold tuning, so the set makes sense for players who move between strumming, flatpicking, and fingerpicking without changing string gauge.
Strong match
Who this is for
- Acoustic sets where you alternate among strumming, flatpicking, and fingerpicking.
- Regular playing where warm, rich tone and tuning stability are priorities.
- Players seeking a light .012-.054 set with corrosion-resistant construction.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
92/8 phosphor bronze wrap
Martin associates this wrap alloy with warm, rich tone that mellows with age and use.
Detail 03
Tin-plated high-tensile core
The plated core is intended to resist corrosion while providing stability under tension.
Final check
Know before you order
- 01Check that your preferred acoustic-string gauge is .012-.054.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What playing approaches does MA540 support?
Martin identifies it as suitable for strumming, flatpicking, and fingerpicking.
02What is the MA540 gauge range?
The light set runs from .012 to .054.
03How does the phosphor bronze wrap affect the tone?
Martin describes it as warm and rich, with a character that mellows through age and use.
