I Built a StewMac Premium Mahogany Tonewood Speaker Cabinet Kit! - YouTube
ToneWoodAmp TWA – Motor City Guitar
Douglas Fir, Mandolin Flat top Soundboard, Med. to Fine Grain, Excellent Color, Highly Resonant Mandolin Tonewood, Yields Amazing Sound, 2 panels each 0.19" x 6" X 16", S1S - Mandolin Tonewood