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RE: EAR Isodamp C-1002 equiptment feet

Posted by fastcat (A) on October 23, 2020 at 20:02:24

In Reply to: RE: EAR Isodamp C-1002 equiptment feet posted by Duster on October 23, 2020 at 16:54:50:

To All:

I spent a 33 year R&D career at EAR in the field of acoustics and vibration.
And I am very familiar with C1002 isolation feet. One of the best features of the Isodamp isolating feet is that they are highly damped - that is, they have little amplification of vibration energy at the system resonance (which depends on various factors like stiffness and mass). There are MANY other isolation materials that have amplification problems at resonance, though some of them may have a higher attenuation rate above resonance. There are quite a few isolation devices for audio on the market - some of them VERY expensive. The "Gold Standard" for the actual isolation performance of any isolator is a "transmissibility curve" with a real world load equal to the audio component. This will show the areas of amplification (at resonance), and the actual isolation attenuation. I note that very few (if any) audio isolator manufactures publish actual transmissibility curves. And, there is a chance that the particular isolation characteristics of an audio isolator may, or may not, be to the liking of a listener, depending on how they change the sound of a component. So there is likely no BEST audio isolator that beats everything else - sonic preferences get into the mix. All this said, the C1002 isolator is a device with good technical performance, and does not cost an arm and a leg.

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