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Power ground versus audio ground

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J

Jaysmiths

Well-Known Member
Joined
Apr 2, 2009
Messages
88
Location
Hurst, TX
In reading the excellent responses to my post concerning shielding of various wires in the install of my FL760 and some information on the PS Engineering website concerning intercom install, I have a question concerning grounding of power (12-14v negative), the grounding of the wire shield itself, and the grounding of the audio signal in the mic and headphone.

How do these inter-relate? Which if any need to be isolated? This entire area is truly mysterious to me.

Thanks in advance for any light shed upon these dark realms.

Jay
 
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