Spruce Parts for double bass,sound posts, bass bars
Upton Bass String Instrument Co. is a working lutherie with new making, repair and restoration work being completed every day.  We use a LOT of wood for making basses, and we are always buying more.  At any given time we have enough wood to make over 300 double basses!!  At Upton Bass we have become quite the connoisseurs of  aged, well seasoned maple & spruce double bass tonewood, and our collection is impressive.