Octave twelve Octave twelve An octave twelve is a type of 12-string guitar fitted with a short-scale neck and a small solid body. It is tuned one octave higher than a standard guitar giving it the tonal range of a mandolin and enabling a guitarist to achieve a mandolin sound without learning mandolin fingering. The effect is similar to that of capoing a standard 12-string guitar at its twelfth fret. However, unlike a standard 12-string guitar, the courses of strings tuned in unison, rather than in octaves. The octave twelve was invented by engineers at Vox, which sold the octave twelve as
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