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Audio Cable Sheilds

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dsvs(at)ca.rr.com
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Posted: Thu Jan 11, 2007 12:41 pm Post subject: Audio Cable Sheilds

Bob, 

I have an audio panel with three(3) non-switched audio inputs and five (5) devices that will have to share these inputs.  I selected the solo device as it is the most important device of the group.  The other four naturally group into one each with voice and one tone only.  All have volume control

If I am not mistaken I will need resistors in the leads from each of the four devices that share inputs.  I plan on loading the four resistors into a D-sub connector to facilitate easily changing them if the original selction is not correct. If this is correct then I have a sheilding question.

Is it good practice to to ground the sheilds at each device and terminate but not attach at the D-sub and then do the same thing with the leads into the audio panel?  This looks to me to not violate the single ended sheils requirement and it also protects all the wire except the D-sub.  

Is there an easier/better way?

Thanks in advance.   Don

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