Guitar It is flat on classical guitars and slightly curved crosswise on acoustic and electric guitars. The curvature of the fretboard is measured by the fretboard radius, which is the radius of a hypothetical circle of which the fretboard's surface constitutes a segment. The smaller the fretboard radius, the more noticeably curved the fretboard is. Most modern guitars feature a 12" neck radius, while older guitars from the 1960s and 1970s usually feature a 6-8" neck radius. Pinching a string against a fret on fretboard effectively shortens the vibrating length of the string, producing a higher pitch. Fretboards are most commonly
Yamaha electric guitar models straight with low action and a wide fretboard. The RGX312 (1987–1988) is a double cutaway rock style guitar available in Red, Black, or White finish. Specifications: Original List Price: $429.00 Neck - single coil Middle - single coil Bridge - Humbucker Construction: String length: 628mm Nut width: 41mm The RGX312II (1988–1993) is a double cutaway rock style guitar available in Red, Black, White, or Silver Pearl finish. The guitar is set up with Yamaha pickups as follows: Original List Price: $449.00 Neck - single coil Middle - single coil Bridge - Humbucker Construction: String length: 628mm Nut width: 43mm A