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the architech
Joined: Oct 29, 2010 Posts: 55 Location: Philadelphia
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Posted: Sat Jan 11, 2014 10:14 am Post subject:
power cables vs audio cables |
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So it was suggested to me that I use XLR to run dual ac power to my synth (I don't want to hardwire, I'd like the PSU to stay independent), but that most XLR is made for low power audio. Is this true, is there more impedance if I were to use the 3' XLRs I have laying around? If I do make XLR cables, how would I make them for power as opposed to audio? Is it a wire gauge thing?
Would it be easier if I just used a standard 3-prong power jack? |
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PHOBoS
Joined: Jan 14, 2010 Posts: 5591 Location: Moon Base
Audio files: 705
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Posted: Sat Jan 11, 2014 2:21 pm Post subject:
Re: power cables vs audio cables |
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the architech wrote: | So it was suggested to me that I use XLR to run dual ac power to my synth (I don't want to hardwire, I'd like the PSU to stay independent), but that most XLR is made for low power audio. Is this true, is there more impedance if I were to use the 3' XLRs I have laying around? If I do make XLR cables, how would I make them for power as opposed to audio? Is it a wire gauge thing? |
hi, it's me again
what you'll be connecting is the dual DC voltage (not AC). anyway, yes it's a gauge thing. With a thicker wire you can get more current with less
loss because the resistance is lower, which means less noise. but you could try it. I just use standard mains wires for it (something you would
use to connect a lamp or something). I'm not sure if the impedance would matter for use as a power cable but it might. That's actually
something I'm curious about myself.
Quote: | Would it be easier if I just used a standard 3-prong power jack? |
assuming you mean the ones that you normally use to connect a device to the mains power.
Never use those for anything else out of safety reasons. _________________ "My perf, it's full of holes!"
http://phobos.000space.com/
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the architech
Joined: Oct 29, 2010 Posts: 55 Location: Philadelphia
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Posted: Sun Jan 12, 2014 8:09 am Post subject:
Re: power cables vs audio cables |
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Quote: | Would it be easier if I just used a standard 3-prong power jack? |
assuming you mean the ones that you normally use to connect a device to the mains power.
Never use those for anything else out of safety reasons. [/quote]
What's unsafe about them? You had said before that I just needed a 3-prong cable, and they are intended for power. |
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blue hell
Site Admin
Joined: Apr 03, 2004 Posts: 24079 Location: The Netherlands, Enschede
Audio files: 278
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Posted: Sun Jan 12, 2014 8:30 am Post subject:
Re: power cables vs audio cables |
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the architech wrote: | What's unsafe about them? |
Well .. one day you might confuse them with a mains lead or outlet and <kaboom> _________________ Jan
also .. could someone please turn down the thermostat a bit.
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the architech
Joined: Oct 29, 2010 Posts: 55 Location: Philadelphia
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Posted: Sun Jan 12, 2014 8:46 am Post subject:
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ok, but if regular XLRs have impedance issues, I could just as easily use an audio cable by accident. Doesn't result in a frying, but still undesirable. I'd really rather not make my own cable, but I will if I have to. And if I have to, seems like I should use non-typical connections to avoid confusion with any other standard cable, eh? |
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PHOBoS
Joined: Jan 14, 2010 Posts: 5591 Location: Moon Base
Audio files: 705
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