How to..connect XLR mike to 3.5mm stereo jack

Discussion in 'Cables & Switches' started by groening, Jan 14, 2008.

  1. groening

    groening
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    We have a presentation center with various inputs (computer, laptop, VCR) which has audio output to a set of speakers.

    You can plug-in a laptop or mp3 player using a 3.5mm stereo jack - no problem, you have sound.

    Someone has an XLR mike which they wish to use. I bought an XLR to 1/4 inch converter (and 1/4" to 3.5mm adapter) - but this didn't work.

    How can i get this mike to work?
    Would an active direct box help?

    I don't know much about High/Low impedance or un/balanced siganls (which i probably why i can't get this to work).

    Big Thanks,


    part specs:
    mike - http://www.shure.com/ProAudio/Products/WiredMicrophones/us_pro_Beta58A_content
    AV Switch - http://www.extron.com/product/product.aspx?id=mls406sa
    transformer - http://www.radioshack.com/product/index.jsp?productId=2062443
     
  2. eviljohn2

    eviljohn2
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    The Shure Beta58 is an excellent microphone (if you're using it right) but microphone signals are very different to line signals such as your MP3 player or laptop.

    As your Extron switcher doesn't have any microphone inputs you'll need some kind of external microphone preamp. You're entering the realms of proper audio here with expensive equipment that can be easily damaged if misused. If in doubt, ask. Did you have a budget available for something to get this working? If it's only a short-term thing then maybe hiring the equipment in could be a good option. :)
     
  3. groening

    groening
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    Could you recommend anything? I have a small budget. This would only be for short-term (4 months) and i'm not doing any recording or so i don't need a super-pro model.

    Big Thanks!!
     
  4. MarkE19

    MarkE19
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    £25 for a mic preamp Here should do all you need. :thumbsup:

    Mark.
     

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