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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Re: Not quite true… posted by David Aiken on October 8, 2005 at 15:33:18:
I used to sell high end scientific scales. We recommended a marble platform with cones to the floor, and cones to an intermediate shelf and cones to the scale. And the scale would be hooded to prevent air from further vibrating the scales.A single layer of cones can only mass load the equipment above it to a very small surface area contacting the lower mass. Each mass will vibrate based upon its own material characteristics and the energy acting upon it.
I built a Viola in high school and the front and back of the Viola is what vibrates. The thickness varies across the surface meaning it is in no way uniform. This allows the best mixture of frequencies to be excited by the strings action upon the bridge soundpost and bass bar.
The idea that vibrations are limited to vertical or horizontal movement seems to be simple nonsense to me. I expect objects to have 3 dimensional energy impact upon them and react in kind.
Different materials have different resonance patterns so I would expect no two materials of cones to sound the same, nor cones of differing mass of the same material to sound the same.
Cheers!
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Follow Ups
- David I appreciate your thread on this matter. - tubesforever 17:43:30 10/08/05 (3)
- I have never built a viola… - David Aiken 23:41:13 10/08/05 (2)
- Re: I have never built a viola… - musiciseverything 16:36:05 10/10/05 (1)
- Re: I have never built a viola… - David Aiken 22:17:45 10/11/05 (0)
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