Guitar Quartet
The "Octave" Guitar
- Range: e (6th sting) to g-sharp ''' (1st string 19th fret)
- Scale 400 mm (15.75")
- Top: Alpine spruce
- Bottom and sides: East Indian rosewood
- Neck: Mahogany
- Fretboard: Ebony
- Finish: Shellac, french polish (top), DD laquer (body and neck)
- Neck width: 50 mm (2") at the nut; 60 mm (2.4") at the 12th fret
- Neck profile: D
The "Third" Guitar
- Range: g (6th sting) to d ''' (1st string 19th fret)
- Scale 580 mm (23")
- Top: Alpine spruce
- Bottom and sides: East Indian rosewood
- Neck: Mahogany
- Fretboard: Ebony
- Finish: Shellac, french polish (top), DD laquer (body and neck)
- Neck width: 50 mm (2") at the nut; 60 mm (2.4") at the 12th fret
- Neck profile: D
The "Quint" guitar
- Range: b (6th sting) to f ''' (1st string 19th fret)
- Scale 460 mm (18")
- Top: Alpine spruce
- Bottom and sides: East Indian rosewood
- Neck: Mahogany
- Fretboard: Ebony
- Finish: Shellac, french polish (top), DD laquer (body and neck)
- Neck width: 50 mm (2") at the nut; 60 mm (2.4") at the 12th fret
- Neck profile: D
