Pricing and availability

We compare 600+ stores and found this item at 6 stores. Prices updated .

Sweetwater
4.5 (4)
$14.99
Guitar Center
4.0 (1)
$14.99
Amazon
4.8 (9)
$45.95
Reverb
$13.95 New
$12.89 Used
Thomann
4.7 (36)
$12.50 $12.30 $0.20 · All time low

Price History

Based on price data from 3 merchants for "Martin MA140T Authentic Acoustic Lifespan 2.0 Treated 80/20 Bronze Guitar Strings - .012-.054 Light". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

When it comes to achieving that perfect acoustic sound, the Martin MA140T Authentic Acoustic Lifespan 2.0 Treated 80/20 Bronze Guitar Strings are a go-to choice for musicians seeking both quality and longevity. These strings are crafted with precision by C.F. Martin & Co., a name synonymous with excellence in the world of acoustic guitars. The 80/20 bronze composition delivers a bright and crisp tone that enhances the natural resonance of your guitar, making these strings ideal for both studio recordings and live performances.

What sets these strings apart is Martin's proprietary Lifespan 2.0 treatment, which effectively repels dirt and oils, ensuring they maintain their fresh tone far longer than conventional strings. This means less frequent restringing and more time playing. The light gauge, ranging from .012 to .054, offers a balanced feel that provides both comfort and dynamic range, allowing musicians to effortlessly transition from delicate fingerpicking to powerful strumming.

Whether you're a seasoned performer or a casual strummer, these strings are designed to meet the high expectations of demanding musicians. Their durability and consistent performance have been rigorously tested to ensure they stand up to the most intense playing sessions.

Key Features:

  • Light gauge: .012, .016, .025, .032, .042, .054
  • 80/20 Bronze composition for bright and crisp sound
  • Treated with Martin's Lifespan 2.0 formula for extended string life
  • Designed for superior tone, clarity, and response
  • Rigorously premarket tested for quality and consistency

Product specs

Guitar Type Acoustic Guitar
Number of Strings 6
Coated Yes
Gauges .012, .016, .025, .032, .042, .054
Core Material Steel
Winding Material 80/20 Bronze
Winding Type Round Wound

FAQs

What makes Martin MA140T Lifespan 2.0 strings different from regular acoustic guitar strings?

Martin MA140T Lifespan 2.0 strings are treated with a special coating to extend their lifespan while maintaining tone and playability. The 80/20 bronze alloy provides a bright, clear sound that is ideal for various playing styles.

Are these strings suitable for beginners?

Yes, the Martin MA140T strings are suitable for beginners due to their light gauge (.012-.054), which offers easier playability and less finger strain, making them a great choice for new players.

How does the 80/20 bronze alloy affect the sound of these strings?

The 80/20 bronze alloy used in Martin MA140T strings produces a bright, clear sound with pronounced treble and crisp articulation, making them ideal for styles that benefit from a lively acoustic tone.

Do these strings maintain their tone longer than untreated strings?

Yes, the Lifespan 2.0 treatment on these strings helps maintain their tone longer than untreated strings by protecting against dirt, sweat, and oil, resulting in a more consistent sound over time.

Can these strings be used on any acoustic guitar?

Martin MA140T strings are designed for standard acoustic guitars, but it's always advisable to check your guitar's manufacturer specifications to ensure compatibility with light gauge strings.

Reviews

PROS

  • Exceptional durability, lasting significantly longer than many other brands

  • Clear and decisive response immediately noticeable upon tuning

  • Excellent sound quality, enhancing both brightness and lower tones

  • Natural tone enhancement for various guitar types like Gibson and Ovation

  • Packaged with detailed descriptions for each string, aiding easy installation

  • Great feel in the hand, contributing to a comfortable playing experience

  • Maintains quality sound both plugged and unplugged

  • Unique, almost metallic sound that stands out positively

CONS

  • Initial stiffness may require a brief break-in period

  • Sound may not suit every player's strumming preferences

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Martin MA140T Authentic Acoustic Lifespan 2.0 Treated 80/20 Bronze Guitar Strings - .012-.054 Light.

User experience

  • Owners report these strings maintain their tone quality for over 6 months, although initial brightness fades after several hours of play.

    Source

Use cases and applications

  • Players prefer using .012 gauge on dreadnoughts and .011 gauge on OM models for optimal performance.

    Source

Other

  • The strings start bright but settle into a sweet spot, making them suitable for recording after some use.

    Source

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