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Luther
 
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Default Shielded Audio Cable

I need the name and manufacturer of some really good shielded audio cable.
I was at USITT this last year in Minneapolis and I was at a booth there that
had some really good cable and I can't think of what the name was. The
reason that I need this is because the theater that I work at has a weird
conflict with audio lines and electrical lines. Sometimes we run into no
problems, and sometimes we run into nothing but problems, so I figured that
I would check around and see if I could find any cable that had shielding
that would protect against an electrical signal.
-Luther


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Geoff Wood
 
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Default Shielded Audio Cable


"Luther" wrote in message
...
I need the name and manufacturer of some really good shielded audio cable.
I was at USITT this last year in Minneapolis and I was at a booth there

that
had some really good cable and I can't think of what the name was. The
reason that I need this is because the theater that I work at has a weird
conflict with audio lines and electrical lines. Sometimes we run into no
problems, and sometimes we run into nothing but problems, so I figured

that
I would check around and see if I could find any cable that had shielding
that would protect against an electrical signal.



Sheilded audio cable is as common as muck. Anybody involved in theatre audio
(or *any* audio) should be well aware of this. You can get it almost
anywhere, at all price points. Paying a lot doesn't necessarily mean that
what you get is significantly better that common stuff.

geoff


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Samuel Groner
 
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Default Shielded Audio Cable

There are lots of good cables around - have a look at
www.audiodirectory.nl in the section "cables". I'm using the Gotham
GAC-4/1 Starquad cable with double shielding - I think its quite cheap
for what it is (it is really good as far as I know). But I don't think
your problems go away with new cables - better have a look at the
inputs and outputs of your gear; all of them need to be balanced, best
is a hi-quality transformer (Jensen, Lundahl). There are some
tech-papers on this subject, first have a look at the rane-notes
(www.rane.com).

Hope that helps
Samuel
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Scott Dorsey
 
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Default Shielded Audio Cable

Luther wrote:
I need the name and manufacturer of some really good shielded audio cable.
I was at USITT this last year in Minneapolis and I was at a booth there that
had some really good cable and I can't think of what the name was. The
reason that I need this is because the theater that I work at has a weird
conflict with audio lines and electrical lines. Sometimes we run into no
problems, and sometimes we run into nothing but problems, so I figured that
I would check around and see if I could find any cable that had shielding
that would protect against an electrical signal.


Well, all line and mike level cables should be shielded.

Most of the problems you describe turn out to be due either to ground loops
or RF trash on the electrical lines (from cheap SCR dimmers and the like).

But manufacturers of good shielded cable include Canare, Gepco, Belden,
Mogami, and Gotham. There are plenty of others, though.
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."
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