thanks Magnus. When you say its not good for audio signals it makes me ask=
even more why some very high cost cable manufacturers use an aluminium shi=
eld !
--- In Magnus Bergsson <fieldrecording.ne=
> wrote:
>
> I just know that aluminium is the best material to shield electrical nois=
e
> pollution. It is not only the price of the material why it is so widely
> used. That is one of the reason why aluminium is common use for shielding
> in UHF transmitting and receiving technology.
> Aluminium is not good for audio signal, so parallel with the aluminium fo=
il
> should be a copper wire.
>
> By the way...
> I have make a cheap 50 meter stereo snake with Cat6 cable.
>
> https://picasaweb.google.com/104187345157190691446/Stereo50mCAT6Snake?aut=
huser=3D0&feat=3Ddirectlink
>
> I have not notice any electrical noise pollution with this snake, even
> though it has no shield. Probably because it is mostly used outdoor.
> Differently twisted pair is also very good technique to shield high
> frequency.
> But anyway, I always try to delete or minimize all source of electrical
> pollutions before it makes a problem to other equipment or humans :-)
>
> --
> Bestu kve=F0jur / Best regards
> *Magn=FAs Bergsson
> *Tel: + 354 6162904*
> *
> http://fieldrecording.net
>
>
>
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