Hall of Fame: Yamaha Dynamic No. 40 Classical Guitar

Hall of Fame: Yamaha Dynamic No. 40 Classical Guitar

Vincent Barras

One of the first made Acoustic Guitars by Yamaha, the Dynamic Guitar Series was developed roughly 50 years ago. The Yamaha Dynamic No. 40 boasts a Classical Guitar body with the ability to be used with both Classic Nylon and Folk Guitar Steel Strings. Dynamic guitars were known for producing bigger sounds when set up with steel strings, and were the initial step in perfecting the modern Yamaha acoustic guitar.

Specifications:

Year Circa 1960s 
Made in Japan
Body Material Solid ezomatsu spruce top, solid flamed maple back & sides
Fretboard and Neck Material Oak
Bracing System Yamaha "Dynamic" proprietary bracing
Scale Length 645mm (25.5")
Nut Width 49.5 - 49.7mm
Neck Shape Medium-to-far U shape
String Compatibility Nylon or steel / silk-and-steel
Serial Number 440382
Date Sold 14/07/2026
Sold For $850 AUD
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