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Posted by the-sixth on May-20-2018 13:07:

Phono to 6.35mm cable?

HI All

I use a Focusrite Scarlett 2i2 USB Audio Interface and previously I used an RCA phono cable out of the mixer and at the other end as input into the focus rite I had 2 6.35mm connectors that went into the front of the focusrtie

I've went to buy another cable as the previous one I got with the unit however I am now concerned that any cable i google says MONO !

Can anyone advice what the best stereo cable would be for taking an DJ mixer RCA phono output and pumping it into the focusrite?

Thanks

Posted by the-sixth on May-20-2018 13:07:

An example of the cable

https://www.ebay.co.uk/itm/2m-6-35m...X8AAOSwkNZUbmhM

Posted by DJ RANN on May-21-2018 06:22:

don't worry, of course they're mono. Each side is just two conductors, hence RCA to MONO 1/4" (6.53mm) jack. Two of them make a stereo signal.

That ebay cable is right, albeit a little cheap.

EdIT: was too late to go in to last night, but you could also go Pseudo balanced. It's where you use a TRS (3 conductor jack) instead of the Mono (TS jack) and then use a three conductor cable, wired TRS as normal on the jack, but then at the RCA end, you solder the ground to the neutral.

Unlike a normal balanced cable, the pseudo balanced will still attenuate over distance, but it will have the EMI and RFI advantages over unbalanced.

The only thing is, it really only is of benefit when the source is balanced and you're going to an unbalanced destination. In this case (mixer to soundcard) you may not get any real benefit unless you're doing a long-ish run and there's chance for interference (i.e. past power cables and other unbalanced signals)

Posted by the-sixth on May-22-2018 11:03:

quote:
Originally posted by DJ RANN
don't worry, of course they're mono. Each side is just two conductors, hence RCA to MONO 1/4" (6.53mm) jack. Two of them make a stereo signal.

That ebay cable is right, albeit a little cheap.

EdIT: was too late to go in to last night, but you could also go Pseudo balanced. It's where you use a TRS (3 conductor jack) instead of the Mono (TS jack) and then use a three conductor cable, wired TRS as normal on the jack, but then at the RCA end, you solder the ground to the neutral.

Unlike a normal balanced cable, the pseudo balanced will still attenuate over distance, but it will have the EMI and RFI advantages over unbalanced.

The only thing is, it really only is of benefit when the source is balanced and you're going to an unbalanced destination. In this case (mixer to soundcard) you may not get any real benefit unless you're doing a long-ish run and there's chance for interference (i.e. past power cables and other unbalanced signals)

Excellent post thank you very much for this. I am luckily not running too far so should be ok with unbalanced but this was excellent work thank you