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Violin with sound post through the roof value.
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The sound post needs to be a certain length within 0 002 of the ideal length.
It works great even with smaller siz.
The sound post is a post sandwiched between the top plate and the bottom plate underneath the bridge and it transmits the vibrations from the top plate to the bottom plate.
Determining the height and fitting the post part 3.
Sound transmission class stc provides an estimate of the acoustic performance of a wall in certain common airborne sound insulation applications the stc of a wall is determined by comparing sound transmission loss stl values at various frequencies to a standard contour stl is the decrease or attenuation in sound energy in db.
The violin was sealed but unvarnished tuned to a440 and fitted with a 42 g chinrest.
In the first sound sample there was no soundpost.
It is the string tension that really clamps the sound post into position.
The specific dating comes from research that indicates if a violin has a made in nippon label then it was made between 1914 1921 that is consistent with the known ownership and limited use of this violin clearly visible through an fhole is the label trademark small logo made in nippon on a rectangular piece of paper.
It was fitted with modern strings.
The sound post mate sound post inserter setter removerthis little mate sound post setter fits easily in a violin case compartment and is readily available for any adjustment work.
When in position and with no string tension the sound post should stand in position without falling when the violin is gently tipped.
There is another small yet important part.
Determining sound transmission class stc for concrete masonry.
About the soundpost setter and choosing the wood part 2.
The violin had well developed body modes as well as a0 at the lower frequencies in the range of the violin as will be seen in the tap responses below.
The correct sound post position on your violin viola cello and doublebass is important to get the best sound out of your instrument.
The post mate is inexpensive versatile and easy to use even by less experienced violin owners.
Resources how to set a sound post.
10pcs violin sound post violin column spruce sound post for 3 4 4 4 violins.
It also serves to preserve the shape of the body.
3 1 out of 5 stars 2.
If you look inside a violin you can see the bass bar running.
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Basic theory of the sound post part 1.