Our SonoTone Symphonic strings will bring out the best performance from you and your acoustic guitar. Brilliant, balanced, and warm. Symphonics will give you a grand sound from you guitar. We have created Symphonic strings from precision hex core and a ultra phosphor bronze wrap. You will be able to project optimal clarity, warmth, and a minimum inharmonicity. What does this mean? It means the fundamental frequency is much more pure, without the partial tones, but with more rich harmonics. Hear what Symphonic strings can do for you and your performance, re-discover your instrument with SonoTone Symphonic strings, truly superlative. SonoTone premium strings are expertly designed to offer unparalleled tone and feel in any playing style. We understand that you are serious about your tone, and we have developed an array of different formulas to help you master the art of your sound. Our custom formulas can faithfully produce authentic vintage tones from the 50's, 60's, 70's and beyond! By combining our time-tested American craftsmanship, with a modern approach to the needs of today's guitar player, we have created a line of strings that possess unmatched fidelity and amazing feel… the kind of feel that makes it hard to put your guitar down.