The Sound Post in the Violin

A sound post is fitted in several different bowed instruments, namely, the violin family and the viols. It is a separate spruce dowel with the grain running along its length that is fitted snugly between the top and the back of the instrument, below, but not directly beneath, the treble foot of the bridge. John E. McLennan, Ph.D., who has been researching violin acoustics for thirty years,...