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In the Forum: Analog Playback
In the Thread: Ultimate Turntable
Post Subject: Vibration Control - too much of a "good" thing?Posted by ducatirider on: 7/7/2008

newbie here but this interests me as i have the baby raven one.  the platter of the ac is hollowed out and filled with a gel and then topped with the copper "mat".  why is this important?  because vibrations exists is 2 forms, s-waves or rolling waves and p-waves or compression waves.  in a fluid, s-waves do not exist (think about it, how can a fluid roll?).  this leaves just the p-waves.  as the p-wave passes through the different materials, some will be refracted and trapped in the boundary layer, some will be attenuated and continue on it's path and some will be reflected.  reflection is what we want to control.  this design eliminates much of the vibration propagation but one needs to be careful not to make the table sound too dead or there will be lifeless sound with no dynamics.  so voicing becomes as much an art as a science.

the raven one platter is homogenous, made of one like material.  it still sounds great though.

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