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9V Power Supply Question

Discussion in 'Electronic Basics' started by Jim Dye, Oct 28, 2005.

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  1. Jim Dye

    Jim Dye Guest

    On a 9V power supply with an "M" connector, is:

    Inside +


  2. Yes. One of those.
  3. Jasen Betts

    Jasen Betts Guest

    Yes, one or the other, unless it's an AC supply :)

    Usually it's marked on the device
    outer -----(o----- inner

  4. What is a "M" connector?
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