C.F. Martin & Co M12HTT SP Solid Steel 12 (Unit)
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What you need to know
What you need to know
- Single string ideal for quick replacement without changing the entire set
- Solid SP steel for precise attack and dynamic response
- Tin plating on all 6 strings of the Authentic Acoustic series for better corrosion resistance
- Consistent sound and durability thanks to high-quality winding
Manufacturer Information
Martin Strings
https://www.martinguitar.com
customerservice@martinguitar.com
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A reliable replacement string to keep your acoustic guitar at its best
The Martin Authentic Acoustic SP M12HTT is designed to meet the expectations of guitarists who want a consistent feel and stable sound, repetition after repetition. Its design is based on a very strong core, complemented by a tin plating (a characteristic of the series) that helps better resist oxidation over time.
As a single string, it is a practical solution for replacing a broken string while maintaining your playing feel. With its .012 gauge in solid steel, it delivers clear definition in attack, ideal for fingerstyle as well as pick playing, and helps maintain clean intonation on your acoustic guitar.
Technical specifications
| Draw | 12 | Spun | round |
| Nbr of strings | 1 | Material | steel |
| Brand | Martin | Instrument | acoustic guitar |
| Series | Authentic Acoustic SP | Anti-corrosion treatment | tin plating on all 6 strings (Authentic Acoustic series) |
| Reference | M12HTT | Winding | high quality for consistent sound over time |
| Type | single string | Packaging | Retail String Unit |
Questions frequently asked
Is the Martin M12HTT suitable for replacing a broken acoustic guitar string?
This single string is designed for acoustic guitar and allows for replacing a broken string. Its .012 gauge enables maintaining the same thickness when matching the existing string set.
What is the gauge of the Martin M12HTT string?
The specified gauge is .012, which corresponds to 12. It is a plain steel string.
Is the Martin .012 string wound?
With its plain steel construction, this model is intended for the .012 position in an acoustic set. The round winding mentioned in the specs relates to the series and its design.
What anti-corrosion treatment is applied to Martin Authentic Acoustic SP strings?
The Authentic Acoustic SP series receives a tin plating on all six strings. This treatment helps resist oxidation over multiple playing sessions. The M12HTT is packaged as a Retail String Unit.
What tone does a .012 plain steel acoustic string produce?
The .012 plain steel offers clarity in the attack. This construction suits both fingerstyle and pick playing and contributes to clean intonation.




