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Forum: General Discussion

Topic: How to connect a stereo controller to an amplified MONO speaker

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Hi, I need to connect my Numark controller (separate L and R RCA output) to a single amplified speaker with an XLR/TRS combo MONO (at least I would guess) input. I tried using a cable with 2 RCA on one end and a STEREO 1/4 TRS on the other hand. Not sure this is the right way. Any hints on what would be the right way to do this? Thanks!
 
Posted Mon 07 Oct 19 @ 9:45 am
One way would be to set VDJ to output in mono, then just run a single RCA to a mono jack plug.
 
I see, thanks for the tip.
The idea would be to use my usual stereo 10 meters cables/adapters. Do you think it may work setting vdj to mono, connecting only one RCA to the controller and the STEREO jack to the MONO TRS input of the speaker? Do I risk bad quality or even blowing the setup? This would be like your suggestion except the STEREO jack instead of the MONO, as I have this readily available.
 
You don't say what the speaker is, but if it's definitely a TRS jack (balanced) then it will probably be OK to use a stereo plug.

Circuitry inside the speaker will (should) be able to determine whether it's a balanced or unbalanced signal and deal with it accordingly - if the speaker is of a reasonable spec.

Best way is to try it. If you get a good signal level out of it then you should be OK to use what you have.
 
Get an RCA to XLR cable.
 
@groovindj: "One way would be to set VDJ to output in mono". In the audio setting I can indeed send master > mono1 and/or master/mono2. What is not clear to me is: in this way BOTH L+R of the master will be SUMMED toghether and send to the mono output? Or only one of the two channels? Thanks for clarifying this!
 
sorry I think I found the answer myself. I played a L/R swapping test audiofile and indeed sending master>mono1 as you suggest it plays BOTH L+R into a same mono channel! Exactly what I needed!
 
Rather than change the audio settings, you can assign mono_mix to a custom button and switch it on/off as required.

On the RCA to jack cable, use the white RCA for the connection, as that connects to the tip of the jack plug.
 
groovindj wrote :
Rather than change the audio settings, you can assign mono_mix to a custom button and switch it on/off as required.


Thank you, I learned something new. I'll be making that change to my setup.
 


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