Our SonoTone Classic strings will give you a bright, full, and punchy tone. They are reminiscent of the strings from the early 70's and beyond. Our custom nickel plating process, with our hex core, delivers the brilliant and punchy tone. Experience chords and notes, that seem to jump off the fretboard, with faster rise times. Re-discover your instrument with SonoTone Classic strings. 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.