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boodschap

DIY multicable: audio and USB

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I would love to have a multicable with one USB connection and 2 or 3 audio channels. What kind of cable can I use? Would a (individually) shielded multicore/multipair fit my needs?

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ducky   

Google says USB cable has an impedance of 90 ohms, you'll want 50 ohm cable for your audio cables.


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13 minutes ago, ducky said:

Google says USB cable has an impedance of 90 ohms, you'll want 50 ohm cable for your audio cables.


Sent from my iPhone using Tapatalk

thanks google :-)

23 minutes ago, Philip Perkins said:

I think Redco could make you this to your spec?

I'm based in Belgium, so I love to have a 'European' solution :-)

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You could just wrap a couple of cables together yourself. Use some heatshrink - done. It's certain to be the cheapest option.
Otherwise, Kortwich build nice cables. They are in Berlin

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haifai   

you should try to do one by your own for testing before spending the money at a shop like kortwich.

in a multicable configuration your usb and audio normally gonna share the same ground/shield so chances are big that you get some leakage from the digital usb signal in your audio chain, so the cables would have to be individually shielded.

for my DIY projects i normally use sommer cable, there is a big choice:

http://shop.sommercable.com/en/Cables/

if you don´t want to do it DIY i much prefer the OPS Shop https://www.ops-shop.de/

the stuff he does is realy good (the low profil connectors are better shielded then the ones from kortwich), the guy is making custom cables

too...

 

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ducky   

Here's a nice set of 8 pin quick release terminations. You'll have to replace the outer shell on one with the shell I've listed here so that the two genders will mate.

Female:
http://au.mouser.com/Search/m_ProductDetail.aspx?r=568-OSC8F

Male:
http://au.mouser.com/Search/m_ProductDetail.aspx?r=568-OSC8M

Replacement shell:
http://au.mouser.com/Search/m_ProductDetail.aspx?r=568-MC8





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