MARTIN Acoustic Guitar Strings AUTHENTIC ACOUSTIC Flexible Core MA130FX Custom (SILK & PHOSPHOR) .011-.047

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. FLEXIBLE CORE SERIES has been updated as AUTHENTIC ACOUSTIC FLEXIBLE CORE using the highest quality materials. By making the core wire thinner and the winding wire thicker, a sharp attack with quick response is achieved. The moderate tension makes it easy to control for beginners, finger pickers, and electric-acoustic players, and you can enjoy the unique sound created by the tension. Silk & Steel acoustic guitar strings. The core wire is made of tin-plated steel, but its shape is circular instead of hexagonal. The core is wrapped in soft silk and finished with silver-plated phosphor bronze windings. Custom gauge/ .011 .013 .023 .028 .038 .047