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Based on price data from 5 merchants for "Martin MA550FX Authentic Flexible Core 92/8 Phosphor Bronze Acoustic Guitar Strings - .013-.056 Medium". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Experience the perfect blend of comfort, control, and tone with the Martin MA550FX Authentic Flexible Core 92/8 Phosphor Bronze Acoustic Guitar Strings. Designed to offer a delightful ease of playability to both beginners and professional musicians, these strings embody a unique balance of soft touch and professional-grade resilience.
Renown for their highest tensile-strength core wire, Martin provides you with not just flexibility, but also the capability to bend the note till it rings true. The added corrosion resistance, courtesy of the tin-plating on all six strings, ensures the longevity of the strings. This, coupled with Martin's highest quality wrap wire, promises a consistent true tone that you can rely on, song after song.
A preferred choice of professionals like Tommy Emmanuel, these strings are designed to reduce finger fatigue, making them an ideal choice for fingerstyle and note bending. With the Martin MA550FX, you get total flexibility, total control, and a comfort that doesn't come at the cost of the tone.
Key Features:
- Made from Martin's highest tensile-strength core wire
- Tin-plated on all six strings for added corrosion resistance
- Crafted with Martin's highest quality wrap wire for consistent true tone
- Offers total flexibility and total control
- Reduces finger fatigue, ideal for fingerstyle and note bending
- Available in 92/8 phosphor bronze
- Gauge sizes: .013, .017, .026, .035, .045, .056
- Used by professional musicians like Tommy Emmanuel
- Provides superior tone for your acoustic guitar
- Undergoes rigorous premarket testing to ensure consistency and quality
- Treated with Martin's proprietary formula for longer life.
Product specs
| Guitar Type | Acoustic Guitar |
| Number of Strings | 6 |
| Coated | No |
| Gauges | .013, .017, .026, .035, .045, .056 |
| Core Material | Steel |
| Winding Material | 92/8 Phosphor Bronze |
| Winding Type | Round |
FAQs
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What is the benefit of the flexible core in Martin MA550FX strings?
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The flexible core in Martin MA550FX strings offers easier playability and a softer feel under the fingers, which is beneficial for fingerstyle players or those who prefer a more responsive string.
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How do the Martin MA550FX strings compare to standard phosphor bronze strings?
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Martin MA550FX strings provide a warmer tone and more flexibility compared to standard phosphor bronze strings, making them ideal for players seeking enhanced expressiveness and comfort.
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Are Martin MA550FX strings suitable for all acoustic guitar styles?
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Yes, Martin MA550FX strings are versatile and suitable for a wide range of acoustic guitar styles, from fingerstyle to strumming, thanks to their balanced tone and flexible core.
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What is the gauge range of Martin MA550FX strings?
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The Martin MA550FX strings have a medium gauge range of .013 to .056, offering a balance of volume and playability for various playing techniques.
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Do Martin MA550FX strings require any special maintenance?
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While not coated, regular cleaning and wiping down after playing can help maintain the longevity and performance of Martin MA550FX strings.
Reviews
PROS
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Brighter sound compared to regular Martin SP strings
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Noticeably easier to bend on acoustic guitars
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Helps reduce tension on vintage guitars, preserving instrument integrity
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Suitable for maintaining volume with a lighter touch
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Enhances the sound of darker-toned guitars
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Considered durable despite lighter gauge
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Good for achieving classic rock bends on acoustic
CONS
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Prone to buzzing more due to lower tension
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Strings can go dead after 6-8 hours of heavy play
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Less flexibility than standard Martin strings
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