AAA Sitka Spruce Acoustic Guitar Soundboard. 
Dimensions: 560x215x5 mm x2
Origin: Northwestern North America
Other names: Abeto Sitka
Average density: 27lbs/ft3 - 425kg/m3
 
Its colour can vary from white to pink to light brown. Sitka spruce has long been the staple choice for steel-string guitars, and classical guitars to a degree too. This wood is quite rigid both along and across the grain but is lightweight as it is a softwood, which is key to the rapid transmission of sound. It has a strong fundamental tone with relatively few overtones. This leads to a direct, punchy tone with great headroom.