Propeller Head Plaza

• Clarification: it gives a false reference when used for such. - Al Sekela 16:12:27 04/17/07 (1)
  In Reply to: I think was most striking is that the normal house ground gives no zero reference. nt posted by Norm on April 16, 2007 at 16:42:39:

  There is all manner of noise present in the potential difference between the earth connection rod at your breaker panel and the arbitrary zero point somewhere inside your line stage or source (audio 'ground'). Keeping this noise out of your audio system makes a big difference in how well it works.
  
  

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  • Yep. nt - Norm 19:53:03 04/17/07 (0)
    In Reply to: Clarification: it gives a false reference when used for such. posted by Al Sekela on April 17, 2007 at 16:12:27:

    a
    
    

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• There are no such thing as absolute potentials - clifff 10:10:13 04/17/07 (0)
  In Reply to: I think was most striking is that the normal house ground gives no zero reference. nt posted by Norm on April 16, 2007 at 16:42:39:

  It is always relative to something else.

  It is convenient to call the mass of the Earth "ground" and use it as the "zero reference point" but it has no meaning other than that.

  Maybe the moon is at 10,000,000 volts relative to the earth. No consequence unless you plan to wire them together!
  
  

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