When building a guitar, the soundboard, or top, plays a vital role in shaping the instrument’s overall tonal character. For acoustic guitars, the soundboard is the part that vibrates in response to string vibrations, amplifying sound and influencing the tonal quality of the instrument. Traditional woods, such as Sitka spruce, Lutz spruce, and various other tonewoods, have long been favored for their resonant properties. However, thermally modified soundboards offer an innovative alternative to these conventional woods. This process enhances the tonal qualities of the wood, making it more stable and capable of producing rich, dynamic tones.