The C40 might be one of Yamaha's most inexpensive full-size classical models, but its quality and tone are outstanding. A real bargain for beginners
| Body Finish | Gloss |
| Strings Scale | 650 mm (25 9/16") |
| Body Depth | 94-100 mm (3 11/16"-3 15/16") |
| Finger Board Width (Nut/Body) | 52 mm (2 1/16") |
| Top | Spruce |
| Side/Rib | Meranti |
| Back | Meranti |
| Neck | Nato |
| Finger Board | Rosewood |
| Bridge | Rosewood |
