The new generation of Lifespan strings has been designed using a new technology patented by Martin. This technology protects both the core and the spinning of the rope from corrosion without denaturalizing the sound. The Authentic Acoustic Lifespan 2.0 retain their new appearance longer, sound better and are more pleasant to the touch. Two years of research were necessary to allow Martin Guitar to develop the most effective long-lasting strings on the market. Available in 80/20 Bronze and 92/8 Phosphorus Bronze.
Brand reference number:CMA MA550TPK3
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