April 27, 2008 at 1:27 AMTo maintain your violin bridge:
-remember,there is 40 pounds of pressure exerted upon the top plate with your strings in tune
-when you replace a string [any string] your bridge may correspondingly change
-your bridge must be at a 90 degree angle to the top plate
or slightly less =  degrees [tough to judge]
-if your bridge is not constantly consistent with the above
then your bridge will warp because of pressure [40 pounds] exerted on the top of the bridge will warp your bridge,causing a nasty sound
-"eye" up your bridge constantly to make sure it is exactly perpendicular to the top plate
-if you do not play for a few weeks,your bridge will-of its own accord change positions--so,you must be constantly observant in this regard
-if you will not be playing your violin for a few weeks,then loosen your strings--to prevent warpage of your bridge
-these are important lessons
-your 'sound' is subject to the position of your bridge
-and this is important
-we may not really notice,but your bridge position changes
quite often [especially in sudden changes of humidity or temperature]
-so,pay attention to bridge placements
-your violin sound is heard by all within hearing distance and this is important and a reflection upon you as a violin player
-nothing new really,but something to remember--as we try to progress into more significant playing modalities..
The back side (facing the tail) is normally kept flat from top to bottom and should be at a 90 deg to the belly.(there are exceptions depending on who's doing the carving)
When you change strings put a bit of graphite in the string grooves of the bridge and the nut to help the string to slide better when tuning. That will help keep your bridge at a 90.
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