C.F. Martin & Co M45HTTB SP 80/20 45 (Unit)
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What you need to know
What you need to know
- Single string : ideal for quickly replacing a broken string without buying a full set.
- 80/20 bronze alloy : for a clear, precise, and well-defined acoustic sound, perfect for restoring the balance of your set.
- Gauge 45 : consistent tension to maintain your playing feel and setup.
- Martin SP Series : a reference acclaimed by guitarists for its consistency and musicality.
Manufacturer Information
Martin Strings
https://www.martinguitar.com
customerservice@martinguitar.com
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The Practical Solution to Keep Your Guitar Ready to Play
The Martin Strings M45HTTB SP 80/20 45 is a replacement string designed for guitarists who want to stay operational during rehearsals, in the studio, or on stage. Available as a single, it allows you to complete an existing set, build a backup stock in your case, or replace a worn string while maintaining the consistency of your usual gauge.
Its 80/20 bronze is a classic among acoustic strings: it delivers a direct response and excellent clarity, useful both for open chords and fingerpicking. Whether you want to restore the tonal character of your Martin SP set or simply secure your playing sessions, this 45 gauge string is a simple, reliable, and effective choice.
Technical specifications
| Category | Acoustic single string | Spun | round |
| Draw | 45 | Material | 80/20 bronze |
| Nbr of strings | 1 | ||
| Model | Martin Strings M45HTTB SP 80/20 45 (Single) | Gauge | 45 |
| Number of strings | 1 | ||
Questions frequently asked
Is the Martin M45HTTB string sold individually?
This reference includes a single acoustic string, allowing for the replacement of a 45 gauge string within an existing set.
What is the gauge of this Martin string?
The indicated gauge is 45. This value corresponds to a string intended to complement a set using the same gauge.
What sound does an 80/20 bronze acoustic string produce?
The 80/20 bronze material provides a direct response and good clarity. This composition is suitable for open chords as well as fingerpicking.
Is the Martin Strings M45HTTB SP 80/20 45 suitable as a spare string?
Its individual packaging allows it to be kept in a case as a replacement string. It can also be used to replace a worn string without changing the entire set.
Is this string round wound?
The winding is round type.



