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
Ibanez RG a neck that is very thin in cross-section a wide, flatter than most (430mm/16.9in or 400mm/15.75in radius) double octave (24 fret) fretboard. Flatter radius on fretboards facilitate wider bends and lower string action at the expense of comfort in playing chords. For the virtuosic "shred" style of guitar playing or fast, aggressive thrash/speed metal rhythm, this type of neck is often preferred. The fretboards are usually made of maple or rosewood. The body of the RG Series features sleek, offset pointed double cutaways giving better access to the upper frets. Typically the body is made of Basswood or Mahogany, with