>...Yet a tuning fork will still make a good sound >yet it is not makeing the sound board move... >Aimee & Stuart Balsiliie Just because you can't physically see the movement doesn't mean that it isn't occurring. There is a transmission of vibration from the tuning fork through the bridge which sets in motion to some degree the soundboard. Otherwise, there would be no projected sound. That's my simplistic answer. For more in depth discussion: http://www.ptg.org/archive/ enter search word - transducer (click on jump to line) Keith McGavern Registered Piano Technician Oklahoma Chapter 731 Piano Technicians Guild USA
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