Martin Authentic Lifespan 2.0 Treated Acoustic Guitar Strings
- 92/8 phosphor bronze wrap
- Custom light gauge: .011, .015, .023, .032, .042, .052
- Anti-corrosion treatment on core and wrap wire
- Tension 155.1 listed
- 20 g, one set
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A custom-light phosphor bronze set with a patented anti-corrosion treatment aimed at long life on tour and in the studio. Its warranty entry reads not available, and the tension figure has no unit.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B07GP5K285Model: Authentic Lifespan 2.0Category: Acoustic Guitar Strings
Styles Available
Need a different one? Pick on Amazon →
Overview
Martin builds this Authentic Lifespan 2.0 set from phosphor bronze with a treatment that guards both core and wrap wire against corrosion. The light gauge supports fingerstyle blues, bluegrass, country and other styles.
Corrosion protection is what matters most to players who tour or practice hard and dislike frequent changes. The limitation is clarity, because the tension number is listed with no unit and the warranty field says not applicable.
Who it's for
Fingerstyle and strumming players who want a bright, balanced tone with a softer feel. Players needing a heavier set, or those who want a written warranty, should look elsewhere.
Pros and cons
- Patented anti-corrosion treatment
- Phosphor bronze wrap
- Custom light gauge
- Balanced sound profile
- Tension unit not given
- Warranty listed as not applicable
Performance notes
The treatment shields the winding from sweat and air, so the high end lasts longer before dulling. A lighter gauge reduces string tension, which makes bends easier but trims volume. Phosphor bronze wrap adds the bright, rich sound the maker describes.
Specifications
| Brand | Martin |
|---|---|
| Model | Authentic Lifespan 2.0 |
| Dimensions & fit | |
| Item weight | 20 g |
| Construction & materials | |
| String Material Type | Phosphor bronze (92/8) |
| Coating Description | Anti-corrosion, protects core and wrap wire |
| Finish Type | Bronze plated |
| Other details | |
| String Gauge | Custom light |
| Instrument | Acoustic guitar |
| Gauges | High E .011, B .015, G .023, D .032, A .042, low E .052 |
| Sound Profile | Balanced |
| Total tension | 155.1 |
Frequently asked questions
How do I get the longest life from Martin Lifespan 2.0 strings?
The listing says a treatment protects core and wrap wire from corrosion. It gives no care steps, so basic wiping after play is up to you.
Are Martin Lifespan 2.0 strings for electric guitar?
No. They are made for acoustic guitar.
Is the Martin Lifespan 2.0 41Y18MA535T a full six-string set?
Yes. The description says the pack has six strings, and it lists the gauge of each.