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Old 24th May 2013, 05:31 AM   #1
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Question Help with cable conundrum!

Sorry this is not strictly parts related, but I need some help. I'm building an amplifier using Hypex Nc-400 modules, and they recommend using balanced input. However my output is unbalanced, or RCA, and I'm not entirely sure how to hook up RCA to XLR without introducing distortion. Does anyone know the best way to hook up these 2 things up? Any help is much appreciated, thanks!
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Old 24th May 2013, 06:55 AM   #2
Mooly is offline Mooly  United Kingdom
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This might help, Jensen AN-003. Page 2

http://www.jensen-transformers.com/an/an003.pdf

This might be better in "Line Level" forum actually
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Old 24th May 2013, 10:53 AM   #3
AndrewT is offline AndrewT  Scotland
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And you can convert the output of your Source to balanced with the "simple alternative" shown in 2.4
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Old 24th May 2013, 09:21 PM   #4
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Unfortunately the "simple alternative doesn't seem so simple to me
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Old 24th May 2013, 09:26 PM   #5
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Being a bit of a new person at this and electronics in general, the illustration confuses me a bit.
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Old 25th May 2013, 06:07 AM   #6
Mooly is offline Mooly  United Kingdom
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Quote:
Originally Posted by Ace95982 View Post
Unfortunately the "simple alternative doesn't seem so simple to me
Quote:
Originally Posted by Ace95982 View Post
Being a bit of a new person at this and electronics in general, the illustration confuses me a bit.
It involves replacing the output socket (on the preamp say) with a 3 pin socket wired so that the parts in the dashed box are internal to the preamp and connect to the "new" 3rd pin on the "new" socket.

Option 2.1 in that PDF is an even simpler method but less good.
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Old 25th May 2013, 06:37 PM   #7
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Hmm unfortunately there's no room for method 2.4 because my output source is a computer soundcard and there is no room
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Old 26th May 2013, 07:39 AM   #8
AndrewT is offline AndrewT  Scotland
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Maybe there is room for D.Self's cancelling version.
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Old 26th May 2013, 05:52 PM   #9
cbdb is offline cbdb  Canada
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wire the positive output to the positive input and the neutral output (ground) to the negative input. (and if your using a 2 conductor plus shield, wire the sheild to the ground of the input only) Should work perfectly well. edit: just looked at the Jensen page, I have described 2.1

Last edited by cbdb; 26th May 2013 at 05:54 PM.
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Old 27th May 2013, 01:23 AM   #10
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Thanks cbdb that's what I've decided on doing!
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