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Quick question on RCA interconnects
Quick question on RCA interconnects
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Old 26th March 2020, 01:30 PM   #1
stvitus is offline stvitus
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Default Quick question on RCA interconnects

Looked around a bunch on here and think I have my answer, but just looking for confirmation.

I'm trying to make a pair of longish RCA cables to add a second zone to my stereo. It's going to run through the basement so I received Canare star quad cable as a recommendation to keep out the interference.

I read a couple of threads on here about how to construct these properly and have one last question.

Of the three wires, signal (Blue), return/drain (white) and shield (braid), which one do I leave unconnected at one end of the cable? I've read posts/articles that say the drain should only go one way, but most of what I've read said the shield should be the wire left floating.

Thanks!
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Old 26th March 2020, 02:44 PM   #2
Galu is offline Galu  Scotland
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If hum is experienced, disconnect the shield at the receiving end.
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Old 26th March 2020, 06:20 PM   #3
stvitus is offline stvitus
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Thank you. If the shield and the ground are both going on the collar, can they be twisted together?
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Old 26th March 2020, 06:33 PM   #4
Galu is offline Galu  Scotland
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If you mean twisting the return wire and the shield braid together within the metal body of an RCA plug, I can see no need to do that.
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Old 26th March 2020, 06:37 PM   #5
stvitus is offline stvitus
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Just one fewer solder joints I guess. I'll keep them separated. Thanks again.
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Old 26th March 2020, 09:35 PM   #6
Speedskater is offline Speedskater  United States
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Canare Star-Quad cable is an excellent choice for an XLR balanced interconnect cable for use in a harsh interference environment. But this interference rejection only works when used in XLR balanced interconnects.
It does nothing in a RCA unbalanced interconnect.
Just use a coax cable with a heavy braided shield.
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