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Mackie 808S with BBE Max-X3 2-Way Stereo/3-Way Mono Crossover

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  • Mackie 808S with BBE Max-X3 2-Way Stereo/3-Way Mono Crossover

    Trying to figure where the problem lies. I bought the mackie off of craigslist and the previous owner said everything was in working order. I wanted to run the mixer in stereo and use my subwoofer. The manual:
    http://www.mackie.com/pdf/ppm_om.pdf
    show how to connect using a crossover and subwoofer.

    For now I am just using the mixer for my tv in the garage and it works great with my tops. When I introduced the crossover with the correct connections according to the diagram from the manual nothing changed except a slight drop in volume. I have quadruple checked all connections and I am stumped. I rotate all the crossover controls to max and there is ****ing nothing changing. The BBE crossover is brand new.

    Perhaps someone out there can help me out.

  • #2
    Re: Mackie 808S with BBE Max-X3 2-Way Stereo/3-Way Mono Crossover

    Exactly how have you got everything hooked up? Can you post up a little diagram?

    Silly question but do you have the BBE plugged in to AC power?
    Paul O

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    • #3
      Re: Mackie 808S with BBE Max-X3 2-Way Stereo/3-Way Mono Crossover

      Originally posted by Paul O View Post
      Exactly how have you got everything hooked up? Can you post up a little diagram?

      Silly question but do you have the BBE plugged in to AC power?
      Thanks for the reply. Yes the BBE is powered up. In the manual on page 11 is the set up I am using. I have no instruments connected it is just the TV into the tape in jacks. I disconnected the BBE from the L/R mixer out and put my headphones into each jack to see if there was any signal. There was no signal at all from the mixer out jacks. I feel I may have been taken by the craigslist seller. I should have a line level signal from there, correct? I plugged a mic into channel 1 to see if that would send a signal to the mixer out jacks but there was nothing although I did have a strong signal out of my tops.

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      • #4
        Re: Mackie 808S with BBE Max-X3 2-Way Stereo/3-Way Mono Crossover

        Figured it out. The mixer out jacks are TRS and I am using TS plugs. I just had to pull out plug to the ring connection.

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        • #5
          Re: Mackie 808S with BBE Max-X3 2-Way Stereo/3-Way Mono Crossover

          Originally posted by chunkitup View Post
          Figured it out. The mixer out jacks are TRS and I am using TS plugs. I just had to pull out plug to the ring connection.
          Good find, for best S/N ratio you should get balanced cables.
          Paul O

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          • #6
            Re: Mackie 808S with BBE Max-X3 2-Way Stereo/3-Way Mono Crossover

            Those outputs are probably just 'impedance balanced' and not true balanced. Shorting out one side (ring) kills the whole thing. If tip and ring were actually separately driven (in opposite phase) that wouldn't happen.

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            • #7
              Re: Mackie 808S with BBE Max-X3 2-Way Stereo/3-Way Mono Crossover

              Originally posted by wg_ski View Post
              Those outputs are probably just 'impedance balanced' and not true balanced. Shorting out one side (ring) kills the whole thing. If tip and ring were actually separately driven (in opposite phase) that wouldn't happen.
              Updating this thread in case someone looks for help from it.

              Indeed pulling out the plug did not work, it just took it out of the circuit and what I heard was not going thru the bbe xover. I just bought cables with trs plugs and the problems were solved. Impedence balanced is exactly right.

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