Help finding out what type of AC Adapter I need

Discussion in 'General Electronics Chat' started by droggie, Feb 12, 2013.

  1. droggie

    Thread Starter Member

    Oct 21, 2012
    137
    1
    I'm looking to power these speakers. They require a 14V adapter. I've managed to find a 15V adapter, however it is not the type as it has a prong in the middle and does not fit. Is there a 14V adapter or do I need to use a 15V? If so what type?
     
  2. #12

    Expert

    Nov 30, 2010
    16,284
    6,797
    Adapters like this are not decided by voltage. They are decided by size. You need to plug in whatever plugs you have until you find something that fits, then buy one for your power supply.
     
  3. droggie

    Thread Starter Member

    Oct 21, 2012
    137
    1
    What do you mean power supply? That is what the ac adapter is for? It's a power supply for the speakers.
     
  4. MrChips

    Moderator

    Oct 2, 2009
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    3,361
    That socket looks like a standard size. Go to Value Village and find an adapter with the correct specs and plug or go to The Source and buy the plug that fits and change the plug on the adapter you have.
    Watch the polarity!
     
  5. droggie

    Thread Starter Member

    Oct 21, 2012
    137
    1
    The 15V adapter I bought from the source. It's head is changeable. Can I just buy the correct one set for 14 or 15V and see if it fits? I noticed there are types such as A, B, C, D etc...
     
  6. MrChips

    Moderator

    Oct 2, 2009
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    14V or 15V would make no difference.
     
  7. spinnaker

    AAC Fanatic!

    Oct 29, 2009
    4,884
    1,005
    You need to be sure that it fits AND more important that the polarity is correct. Those "walwarts" usually don't have any regulation so a volt or two difference is pretty normal.
     
  8. MrChips

    Moderator

    Oct 2, 2009
    12,440
    3,361
    True. I would select a 12VDC adapter. This is going to output about 16VDC.
     
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