Although the C40 and C70 are very similar, certain players feel that the C70 sounds significantly better.
 
C40 vs C70 vs C80
 
Feature
Yamaha C40
Yamaha C70
Yamaha C80
Top
Spruce
Spruce
Spruce
Back & Sides
Meranti
Meranti
Nato
Neck
Nato
Nato
Nato
Body Finish
Gloss
Gloss
Gloss
Neck Finish
Matte
Matte
Matte
Finger Board
Rosewood
Rosewood
Rosewood
Bridge
Rosewood
Rosewood
Rosewood
Body Depth
94 – 100 mm
94 – 100 mm
94 – 100 mm
Nut Width
52 mm
52 mm
52 mm
String Length
650 mm
650 mm
650 mm
Tuning Machine
Chrome
Gold
Gold