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In Reply to: Wooden tone arms posted by jnorv on May 13, 2007 at 08:38:02:
Lack of unwanted resonances has been one reason cited. Ever seen the Altmann DIY unipivot arm?
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It might be due to added resonances rather than elimination of resonances. Wood has complementary resonances in the audible range, and this is best exemplified in the composition of musical instruments. While most people seem to want toeliminate resonance, sometimes a complementary one can be very useful.
Absolutely agree. That and the fact that often nature can produce materials --- spiders' web, bamboo -- that are infinitely more complex and hi-performance than what we can grind in a mill.Your point is interesting -- "While most people seem to want to eliminate resonance," ......which cannot be accomplished with physics as we know it ...... "sometimes a complementary one can be very useful" which practice has been in consistent evolution at least since musical instruments came into being.
Bullseye.
J.D.
these swiss davinci arms are pretty nice looking, too
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groove
We seem to forget the laws of thermodynamics: 'energy can not be created or destroyed'.... We can alter their form and change the resonance points, but can not destroy it.I've heard a wooden tonearm built by Janos, who posts on the DIY forum, and it was shockingly good sounding even though a bit crude in appearance. He used an arrowhead for the unipivot bearing, IIRC, and it sounded way better than his stock Rega arm. As his wife explained, he went to the kitchen one night and pulled out a knife and began carving a piece of wood!
I believe we can learn a lot from instrument makers, who have experimented with different materials for many years, sometimes centuries.
Good points for sure.
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