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Wiring Diagram for TRS to RCA

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Adam Browning
Wiring Diagram for TRS to RCA
on Jul 2, 2010 at 7:19:39 pm

I have a pair of monitors with a TRS input, and I need to attach the stereo RCA outputs of a M-Audio Fast Track USB to them. How do I wire a TRS to an RCA?


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Ty Ford
Re: Wiring Diagram for TRS to RCA
on Jul 3, 2010 at 3:01:53 am

Hello Adam and welcome to the Cow Audio Forum.

Several ways to skin this cat.

1. Buy a unbalanced to balanced amp to boost the -10dB RCS outs up to line level, if that's what the monitors want to see.

lots of different ones:
active
http://www.mcmelectronics.com/product/555-8485&mybuyscid=12168390325#descri...

passive:
http://www.bhphotovideo.com/c/product/231520-REG/Pro_Co_Sound_LMX_LMX_In_Li...

or just an RCA Male to TRS or TS male plug.

Regards,

Ty Ford


Want better production audio?: Ty Ford's Audio Bootcamp Field Guide






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Adam Browning
Re: Wiring Diagram for TRS to RCA
on Jul 3, 2010 at 3:31:47 am

Thanks. I think I'll go with the second option. I actually have a TRS cable that I can just cut in half then solder on RCA connections. I'd rather that then add adapters. Where does the tip, ring, and sleeve go when wired to the RCA plug?


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Brian Reynolds
Re: Wiring Diagram for TRS to RCA
on Jul 3, 2010 at 6:39:15 am

With the connections lets start with the tip of the RTS must go to the tip ofthe RCA.
The ring of the RTS goes to the outer of the RCA, these are the audio part of the connection.
The shield braid is also connected to the outer of the RCA to provide the shielding.

Occasionally the shield braid is not connected to "float" the earth to stop hum loops on some items but bear in mind it may give you little or no shielding in the cable.



The difference between Knowledge and Wisdom is... Knowledge is the knowing of facts.... Wisdom is the sensible application of good quality knowledge...


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Ty Ford
Re: Wiring Diagram for TRS to RCA
on Jul 3, 2010 at 10:54:30 am

Adam,

Brian's correct, but it took me a minute to read his suggestion because he refers to the plug as a RTS. I have only seen it as TRS, Tip?Ring/Sleeve.

Maybe Brian's from below the equator.

Regards,

Ty Ford

Want better production audio?: Ty Ford's Audio Bootcamp Field Guide






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Adam Browning
Re: Wiring Diagram for TRS to RCA
on Jul 3, 2010 at 3:59:42 pm

Thanks - this worked great!


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Richard Crowley
Re: Wiring Diagram for TRS to RCA
on Jul 3, 2010 at 7:38:20 pm

Just for future reference: This is the most widely-recommended reference document for how to wire audio cables and connectors:
http://www.rane.com/note110.html


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