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Audio/data cable

whjohnson

Had a chat with a chap who has been engaged to sort out some sound/mixing desk setups at a place I am currently working on. He said that although most audio comms these days are done via CAT 6 he is still insisting upon a 30 core cable to be run for analogue stuff. It's not my bag really but since he proposed that the cable be run through one side of the ballroom at high level I told him that he needed to bear in mind the potential for premature collapse in the event of a fire and that he needed to contact the cable maker for the specs on cable support spacing for metal clips. He said he'd never heard of this before, which made me wonder how many night clubs and other performance venues he and his company had served in a similar manner.

Any idea what the weight of a 30 core commes cable (that is all the info I have on it) weighs? Or what a typical clip spacing for such might be? Length of run will be some 50 metres or so, at least 25 of which will be run horizontally on brickwork at some 25ft or more in height.

  • Former Community Member
    0 Former Community Member

    Is this a cate5 multicore cable?

  • 0

    It would be good to run this in steel trunking.

     

    Z.

  • 0

    Something like this perhaps?

    Studiospares Jacketed 32-Pair Multicore Cable - Studiospares

     

    “This is heavy stuff. Well-made and of high quality. Easy to solder. I might have been be dreaming, but there may be 33 sets of screened 2-core in there, not 32. The outer sheath is made of rubber and attracts dust quite easily, so no good for clean studios.”

     

    Z.

  • 0

    I reckon it will be something like that zoom, this is what I am expecting. They'll need to find some metal clips suitable for it.

    The bloke said it would be used for analogue comms between A/D or D/A converters and then to mixing desks. It really isn't my sphere of work so I don't know much more. They will also be running 2 x ordinary CAT 6 cables alongside for digital to digital. I think that some bands have all digital kit and some have analogue, and some have a mix of both, so they are trying to cater for all eventualities for prospective performers. As I say, my only concern is that of the prevention of premature collapse in what will be a public space. All the 0's and 1's motorways are their bag and not mine!

  • 0

    As Zoom said earlier, steel trunking would be ideal and a 50 x 50 would be more than enough for the analogue multicore and a couple of data cables.  Steel tray may be a cheaper/easier alternative, provided at least some cable ties are stainless steel (sufficient to prevent premature collapse).  These could even be applied as secondary ‘safeties’ if hook-and-loop (velcro) ties were primarily used for support to avoid crushing, particularly of the data cables.

    A combined containment system for all the cables would make sense, rather than clipping each individually.

    The weight of a 32-pair analogue multicore could be 0.4-0.5kg per metre.

    Jason.

  • 0

    Or if it is already up and there is doubt about the security of it, then a loop of builders band every 3m- 5m or so. It can then  droop, but not so low as to catch someone. There is a wider folly of making standards that contain safety related information expensive is that all the related disciplines that might benefit from a copy, but would only use it once a year or only to small parts of it, do not have it at all, and proceed in blissful ignorance.

    Mike

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