The Sitka Spruce tops of these guitars have been kiln-aged through a process of torrefaction or torrefication. The Spruce is air dried before being roasted in a kiln with precise controls over atmospheric and oxygen levels to reduce its moisture content. Then as the wood cools, precise amounts of moisture are re-introduced to the wood. The resulting timber is more stable “ always good when used as a topwood - and aurally, it produces a rich, mellow tone with a mature voicing which would take perhaps 20 years of waiting to achieve under normal circumstances. Treating Spruce this way has its benefits on the way it looks too with it taking on a golden-caramel colouring that sees this series radiate an authentic, grown-up vibe.