The Yamaha CX40 is a classical guitar with built-in electronics, making it an electro-acoustic instrument. It features a spruce top, meranti back and sides, and a nato neck with a rosewood fretboard and bridge. The guitar has a 650mm (25.59") scale length and a nut width of 52mm. It also includes a passive preamp with volume and tone controls, allowing for amplification when plugged into an amplifier. Here's a more detailed breakdown of the specifications:
Type: Classical Guitar (Electro-Acoustic) Top: Spruce Back & Sides: Meranti Neck: Nato Fretboard: Rosewood (Dalbergia latifolia) Bridge: Rosewood (Dalbergia latifolia) Scale Length: 650mm (25.59") Nut Width: 52mm Body Depth: 43 - 100mm Electronics: Built-in pickup with passive preamp, volume and tone knobs Finish: Natural, high gloss