Detail 01
Medium 13–56 gauge
This set uses the listed medium acoustic-string gauge range.
Product detailSKU #1500000438813
MartinLuxe by Martin Kovar Flexible Core Nickel Cobalt Acoustic Guitar Strings Medium (13-56)
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Independent shopping perspective
The Korena take
Martin Luxe Kovar Flexible Core strings are a medium 13–56 acoustic set built with a high-tensile, lighter core wire and nickel-cobalt alloy wrap. The flexible-core design is intended to add responsiveness and ease of movement under the fingers, while the wrap is described as delivering balanced tone and clear articulation. Natural corrosion resistance in the nickel-cobalt wrap addresses long-term tone retention. This is a focused acoustic-string option for players who want medium-gauge tension with added core flexibility.
Strong match
Who this is for
- Acoustic players wanting medium 13–56 gauges with a flexible, lighter core wire.
- Parts that call for balanced tone, clear articulation, and nickel-cobalt wrap corrosion resistance.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Flexible core with lighter core wire
The lighter core is designed for extra flexibility and responsiveness.
Detail 03
Nickel-cobalt alloy wrap
Provides the described balanced tone, clear articulation, and natural corrosion resistance.
Final check
Know before you order
- 01Confirm that medium 13–56 gauges match the acoustic guitar setup you intend to use.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What gauge are these strings?
They are medium gauge, 13–56.
02What are the strings wrapped with?
They use a nickel-cobalt alloy wrap.
03Why is the core described as flexible?
It uses a lighter core wire designed to provide extra flexibility and responsiveness.
