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Wifi,through air or mains

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Dave Friday View Drop Down
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    Posted: 24 Oct 2017 at 7:17pm
Hi all,as above,I want to use a computer in the " music" room.
What's likely to cause the least interference?
Ta.
lp12,oc9mk3,ca610p,krimson40watt pa,kef105.4
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jwatson View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jwatson Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 2017 at 6:14pm
Hello Dave,

I'm not sure I understand the question fully...  Are you looking to use a computer in the same room as the music system and are concerned about interference from the network connection affecting the hifi?  Does the music system contain any networked devices, streamers etc?  Does 'mains' refer to a Power Line Communication (PLC) device or a cabled (Ethernet) connection?  If it's the former then I would definitely recommend that you use WiFi, PLC devices radiate horribly and the injected signal will be passed to all devices plugged into the power.  The best solution would probably be shielded UTP cable. 
"I bought some more old vinyl today 'cos old vinyl won't ever let you down"
Majestic DAC -> Solo UL -> HD650
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Dave Friday View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave Friday Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 2017 at 6:52pm
Hi James and thanks,just the info I needed,so a wifi booster or a cable( thrown over the house as my internet provider said!) record player,preamp,power amp( in a temporary wooden box)and speakers,no computer based stuff in the room ( at the mo')

Edited by Dave Friday - 25 Oct 2017 at 6:57pm
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jwatson View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jwatson Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2017 at 5:04am
Hello Dave,

PLC devices are the devil's work... I also dabble with amateur radio and as soon as one of these things gets turned on everything below 10MHz disappears into a wall of noise.  It's unlikely that WiFi will create any audible issues with your system but for the absolute lowest chance of interference then shielded UTP is the way to go.  If you end up connecting audio equipment to your network, you may wish to experiment with unshielded cable for the digital audio connections (http://www.crazy-audio.com/2013/10/tracking-down-noise-sources-on-a-raspberry-pi/)
"I bought some more old vinyl today 'cos old vinyl won't ever let you down"
Majestic DAC -> Solo UL -> HD650
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Chris Firth Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2017 at 7:53am
With ethernet cable UTP (unshielded twisted pair) is best.
Cat5e is up to the job, Cat6 has better RF rejection capabilities.

When you install screened cabling the installation needs to be properly earthed, and everything earthwise needs to be connected to the same ground point, otherwise you'll find the screen has the potential to be a good radio aerial.
It can be a world of grief, and it's best not to even go there.

If you run cable externally use proper external cable, and dont use a staple gun to fix cable to woodwork - it's clips or trunking.

WiFi is your second best option.
Ethernet over mains devices are the work of Satan himself.
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