Why does the sound post matter?
If you don’t like the weather, wait 10 minutes.
That can work if you’re hiking, but when you have three concerts on the weekend, the constant changes in temperature and humidity can drive you, and your instrument, crazy! Is it time to “adjust” the sound post?
The sound post plays an important role transferring the vibrations from the top plate to the back plate. The sound post is fit to both the back and top plates, and is precisely placed in a position relative to the bridge and the bass bar. Because the top plates and back plates are curved, the sound post will fit properly, with all points touching, in only a small area. To get the optimal sound, the sound post will have to fit properly, and be the proper length so the post puts enough pressure on the top and back plates to stay upright and support the softer spruce top.
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