Yamaha
Yamaha CS40 3/4-Size Classical Guitar
A true 3/4-size classical guitar made for young learners
- 3/4-size body and 580 mm scale sized for young learners
- 48 mm nut and 10.6 mm string spacing suit smaller hands
- Spruce top over locally sourced tonewood back and sides
- Rosewood fingerboard, gloss body and smooth matt-finish neck
- Chrome RM-1252X tuners and medium nylon strings fitted
Taxes included.
Yamaha CS40 3/4-Size Classical Guitar
The Yamaha CS40 is a 3/4-size nylon-string classical guitar, and the only model in Yamaha's CS series. It has a 580 mm scale and a compact body 450 mm long and 84-88 mm deep, so it is noticeably smaller than a full-size classical guitar such as the C40.
Yamaha designed the CS40 specifically for young learners who need an instrument that fits them comfortably. It brings the same spruce top, rosewood fingerboard and Yamaha build quality found on its full-size C Series siblings to a size that makes early practice easier and more enjoyable.
Key Features

Compact 3/4-Size CS40 Body
The CS40 body measures 450 mm long, 340 mm wide and 84-88 mm deep, with an overall length of 920 mm. That is smaller and shallower than Yamaha's full-size classical models. A young player can reach over the body comfortably and hold the guitar in a relaxed, correct playing position.
580 mm Scale for Shorter Reaches
A 580 mm (22 13/16") scale places the frets closer together than on a 650 mm full-size classical guitar. Chord shapes and stretches that feel awkward on a full-size instrument become far more manageable. This helps young learners build good technique without straining.
48 mm Nut Width for Smaller Hands
The CS40 has a 48 mm (1 7/8") nut and 10.6 mm string spacing, compared with 52 mm and 11.8 mm on Yamaha's full-size C Series guitars. The slimmer neck is easier for small hands to wrap around. It still leaves enough room between strings for clean fretting and fingerpicking.
Spruce Top on the Yamaha CS40
The top is spruce, paired with back, sides and neck made from locally sourced tonewood. Yamaha uses various tonewood species according to availability to minimise waste and support sustainable procurement. Yamaha pairs this construction with the playability and tone it describes as keeping practice inspiring for young learners.
Rosewood Fingerboard and Flat Radius
A rosewood fingerboard with a flat radius follows traditional classical guitar design. The bridge is rosewood or walnut, with a urea nut and saddle. These classical-style appointments give a young player the same layout they will find on a full-size instrument later.
Nylon Strings Kind to Young Fingertips
The CS40 is strung with medium nylon strings. Nylon is softer under the fingers than the steel strings used on acoustic folk guitars. That makes it a comfortable choice for beginners whose fingertips are still toughening up.
Gloss Body, Matt Neck and Chrome Tuners
The body has a gloss finish with black binding and a decal soundhole inlay, while the neck is finished in matt for a smooth feel under the hand. Chrome RM-1252X tuners sit on the traditional slotted headstock. It is a neat, practical set of appointments for a student instrument.
Frequently Asked Questions
How is the CS40 different from the full-size Yamaha C40?
The CS40 is a 3/4-size guitar with a 580 mm scale, 48 mm nut, 10.6 mm string spacing and a body 450 mm long and 84-88 mm deep. The C40 is full size, with a 650 mm scale, 52 mm nut, 11.8 mm string spacing and a body 490 mm long and 94-100 mm deep. Both have a spruce top, rosewood fingerboard, chrome RM-1252X tuners, gloss body and matt neck.
Who is the CS40 designed for?
Yamaha created the CS40 specifically for young learners, using a 3/4 scale and a compact body for added playing comfort. Teenagers and adults with full-size hands are usually better served by a full-size classical guitar such as the C40 or C70.
How does the CS40 compare with the Yamaha GL1 Guitalele?
The GL1 is a much smaller six-string guitalele with a 433 mm scale, and it is tuned A-D-G-C-E-A, a fourth higher than a standard guitar. The CS40 is a 3/4-size classical guitar with a 580 mm scale. The GL1 comes with a Yamaha gig bag, whereas Yamaha lists no case for the CS40.
What comes with the CS40?
The guitar is supplied fitted with medium nylon strings. Yamaha does not list a case, gig bag or other accessories with the CS40, so a gig bag is worth adding for carrying it to lessons.
Does the CS40 have a pickup?
No. The CS40 is a purely acoustic instrument with no electronics, controls or output jack.
Why Buy from YMS?
- Authorised Yamaha Premium Retailer
- Genuine stock with full manufacturer warranty
- Demo units at our Bengaluru and Mangaluru stores
- Secure delivery across India
- Free domestic shipping on all orders
Specifications
Overview
| Model | Yamaha CS40 (listed by Yamaha as CS40II) |
|---|---|
| Type | 3/4-size nylon-string classical guitar |
| Series | CS Series |
| Body Shape | 3/4 Classical Guitar Style |
Dimensions
| Scale Length | 580 mm (22 13/16") |
|---|---|
| Body Length | 450 mm (17 11/16") |
| Total Length | 920 mm (36 1/4") |
| Body Width | 340 mm (13 3/8") |
| Body Depth | 84-88 mm (3 5/16" - 3 7/16") |
| Nut Width | 48 mm (1 7/8") |
| String Spacing | 10.6 mm |
Body
| Top | Spruce |
|---|---|
| Back | Locally sourced tonewood |
| Sides | Locally sourced tonewood |
| Body Binding | Black |
| Soundhole Inlay | Decal |
| Pickguard | None |
| Body Finish | Gloss |
Neck & Fingerboard
| Neck | Locally sourced tonewood |
|---|---|
| Neck Finish | Matt |
| Fingerboard | Rosewood |
| Fingerboard Radius | Flat |
Hardware
| Bridge | Rosewood or walnut |
|---|---|
| Nut | Urea |
| Saddle | Urea |
| Bridge Pins | None |
| Tuners | Chrome (RM-1252X) |
Electronics
| Electronics | None |
|---|---|
| Controls | None |
| Connections | None |
Strings & Accessories
| Strings | Medium (nylon) |
|---|---|
| Accessories | None |
| Case | None |
Specifications from Yamaha's official CS Series specifications pages (Europe and Asia/Oceania; the Yamaha India CS page lists the model but does not display the spec values); tonewood species vary with availability and specifications are subject to change by Yamaha.
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