From: Raymond G. Van De Walker (rgvandewalker@juno.com)
Date: Sat Jun 05 1999 - 03:18:02 MDT
I saw a special on PBS. Apparently the trick is to hold the wood up to
the light,
and carve the high density parts of the wood to get consistent
mass/surface ratio on all areas of the sound board. Wood grain has
natural density variations, and the carving to equal translucence evens
those out.
Modern makers claim to now produce instruments as good or better than the
best ever made, because now they have the density trick, and varnishes
and glues are better than ever before.
The trick was discovered by a nondestructive spatial acoustic analysis of
a strad. The standing wave patterns on the sound board were much more
regular than on modern instruments, which showed deviations that turned
out to be due to density variations caused by the wood grain.
>The Stratavarious family died out and the making of a Statavarious
>violin
>is a lost technology.
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