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In Reply to: RE: Not in my (anecdotal) experience. posted by Kal Rubinson on May 25, 2016 at 08:40:15
or Fawl or FAULE or and other kind.
Ya just got caught up in the everlasting Abe vs. fmak thing. What one says the other contradicts, as a matter of principal.
But in fairness to you, fmak did mention "components in electronics are microphonic and pizoelectric." and that certainly invites a bit of tapping if not banging on ones NAS drive.
My question below is more to the point of differences in makes and models of NAS drive. Certainly if just changing the position of a NAS drive makes a difference in SQ, wouldn't one there be a larger difference in make and/or model?
Follow Ups:
That is why I asked the question. You are not confused. You get it.
Scenario: The NAS is in a separate room where the NAS cannot be heard in the listening room or the light tapping on the NAS cannot be heard in the listening room.... or the NAS fan cannot be heard in the listening room.
So lets say someone is tapping lightly on the NAS. Do you hear the effects of this tapping in the listening room through the audio system? I hope not! If you do, you're imagining things.
Digital solid-state devices are generally not microphonic. Some capacitor types can be ever so slightly microphonic but any capacitors or piezo electric crystal devices used in a NAS are not sensitive enough to vibration to effect the proper workings of the NAS. Same for a computer. If the capacitors or any other component were that sensitive to vibration the NAS or computer would simply not function right. The NAS is not an audio device. It has no audio circuitry. Tap on it all you want. A NAS is not microphonic in any way. I suppose if you hammered on it and it broke, you'll hear the music stop in the listening room. Does that mean the NAS is microphonic? ;-)
Mechanical vibration from the NAS fans may affect other nearby components through vibration/acoustical coupling. But the vibration from the fan is not CAUSED by microphonics. It is caused by the fan rotating.
Some are getting "microphonics" confused with "vibrations". Microphonics can be CAUSED by vibrations but vibrations are not caused by microphonics.
A vacuum tube is said to be microphonic if the effects of EXTERNAL vibrations picked up by the tube can be heard at the audio output. Tapping lightly on the tube or vibrations from the music itself acting on the tube can cause "microphonics" and audible distortions. Similar for turntables.
Computer music servers, NAS devices, network streamers, are not microphonic. But audiophiles will put them on isolation feet and whatnot anyway. This -may- help minimize vibration from a fan or spinning disk from coupling vibrations in an audio rack to other nearby audio components. But this has nothing to do with the device itself being microphonic.
Ho, reinvention of truth!
https://en.wikipedia.org/wiki/Microphonics
Yes, we can all read wikipedia.
Is a NAS microphonic? Yes or No? What is the truth?
You failed to answer my previous related question with a Yes or No choice. Do you always dance around the issues?
It is the fact that you posted incorrect and wrong information behind loaded questions, instead of contributing to a discussion by learning about the subject first.I am a highly qualified professional engineer. What are you?
Edits: 05/26/16
...and trying to sidetrack the conversation.So you have no answer to a simple Yes/No question or you refuse to answer because the CORRECT answer contradicts your response to the OP about his NAS.
I'm at a loss to understand why you rambled on about microphonics as related to the OP's NAS if you know that a NAS cannot be microphonic.
Keep back peddling but I think the hole you dug for yourself will just get deeper.
Edits: 05/26/16
Think what you like. I don't answer wrongful questions posted behind incorrect assertions.
It is the WHOLe audio chain and the multiple acoustics and vibration effects that may be at play, you stupid (to use Bill Clinton's words).
I am going to ignore your posts.
...that you do not want to indict yourself by answering a simple Yes/No question to you (twice now!).
Edits: 05/27/16
No, this is not it's about.I see that you do not understand what has been said in the context of acoustic and vibration effects and nodes.
Question:- how is anyone able to discern SQ changes by tapping on a device and therefore making a noise at the same time? Even if there are two persons, action and perception cannot be accurately synchronised. The only way this can be done is through high quality microphone measurements. Here, one can definitely see such effects.
Since you do not often comprehend what has been said in the technical sense, I would suggest that you reduce on the number of noisy posts that you make in haste that do not contribute to a discussion.
Edits: 05/25/16
He understood perfectly.
Since you do not often comprehend what has been said in the technical sense, I would suggest that you reduce on the number of noisy posts that you make in haste that do not contribute to a discussion.
Still trying to become a moderator, I see.
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