SRM450 Mackie speaker part id help .

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  • zen
    Badcaps Veteran
    • Apr 2011
    • 511

    #1

    SRM450 Mackie speaker part id help .

    Hi all

    This is my next project .

    Thermistor blown & cannot identify type .

    Can anyone help?
    Attached Files
  • zen
    Badcaps Veteran
    • Apr 2011
    • 511

    #2
    Re: SRM450 Mackie speaker part id help .

    Nothing in service manual .

    Ended up using a powerful 10 OHM 6 AMP type .

    Unit now on test .

    Couldn't find any other issues apart from three 47MF 35V caps on the primary side of PSU measuring low .
    Attached Files

    Comment

    • Stians
      New Member
      • Nov 2023
      • 2
      • Norway

      #3
      Re: SRM450 Mackie speaker part id help .

      Very old thread, and a longshot: Did this work? Is it a Thermistor? I have the same problem now, and have found a schematic with the numbers 5 and 5A, I gress it is 5ohm if it is a thermistor. The symbol in the schematic indicates a varistor though.

      Regarding Stian S, Oslo

      Comment

      • Stians
        New Member
        • Nov 2023
        • 2
        • Norway

        #4
        Re: SRM450 Mackie speaker part id help .

        Gress = guess

        Comment

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