True Temperament Texas Guitars -Logo

TT-Globe-Webb h100

TT-Logo h130


We presently offer fingerboards in the THIDELL FORMULA 1™ temperament for both steel-string (wound G) and nylon-string guitars with 650mm scale length. We also have a version for 641mm scale steel-string guitar with a plain (0.018″) G (as used by Steve Vai on his Ibanez Euphoria EP9 signature model). We also have versions for 4- and 5-string 34″ scale electric bass.