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Wiring for tapered line-array of 16 full-rangers? Help!

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  • Wiring for tapered line-array of 16 full-rangers? Help!

    I'm trying to calculate the wiring of a tapered line-array using 14 HiWave BMR12 8 ohm speakers I just ordered from PE at $5.50 ea. Who could resist?
    It's been a long day so I need help with calculating impedance for parallel wiring of these three series groups: 3 speakers totalling 24 ohms, 5 speakers totalling 40 ohms and six speakers totalling 48 ohms respectively.
    Anybody have a quick solution? I'd like to keep the result 8 ohms or higher.
    Thanks in advance.

    UPDATE: DThomas answered my question. Thanks to all who answered so quickly.
    Love this forum! One day in the tech future a group of us will be going out together for a virtual beer after one finishes a project.

    I just realized I posted '16 full-rangers' in the title instead of 14. As I said, it was a long day yesterday- crappy one too, with car repairs etc. I won't bore anyone further-thanks to all who knew I meant 14.
    Last edited by Organcat; 09-04-2013, 08:16 AM. Reason: update

  • #2
    Re: Wiring for tapered line-array of 16 full-rangers? Help!

    Originally posted by Organcat View Post
    I'm trying to calculate the wiring of a tapered line-array using 14 HiWave BMR12 8 ohm speakers I just ordered from PE at $5.50 ea. Who could resist?
    It's been a long day so I need help with calculating impedance for parallel wiring of these three series groups: 3 speakers totalling 24 ohms, 5 speakers totalling 40 ohms and six speakers totalling 48 ohms respectively.
    Anybody have a quick solution? I'd like to keep the result 8 ohms or higher.
    Thanks in advance.
    You have a solution your current wiring nets you 11.4 ohms. higher than your 8 ohm objective.
    Dave

    If you can read this, thank a teacher.
    If you are reading it in English thank a Veteran
    .

    Comment


    • #3
      Re: Wiring for tapered line-array of 16 full-rangers? Help!

      Originally posted by Organcat View Post
      I'm trying to calculate the wiring of a tapered line-array using 14 HiWave BMR12 8 ohm speakers I just ordered from PE at $5.50 ea. Who could resist?
      It's been a long day so I need help with calculating impedance for parallel wiring of these three series groups: 3 speakers totalling 24 ohms, 5 speakers totalling 40 ohms and six speakers totalling 48 ohms respectively.
      Anybody have a quick solution? I'd like to keep the result 8 ohms or higher.
      Thanks in advance.
      You have a solution your current wiring nets you 11.4 ohms. higher than your 8 ohm objective.
      Dave

      If you can read this, thank a teacher.
      If you are reading it in English thank a Veteran
      .

      Comment


      • #4
        Re: Wiring for tapered line-array of 16 full-rangers? Help!

        Try this link: http://ratch-h.com/arraywiring.html
        Kenny

        http://www.diy-ny.com/
        DIY NY/NJ 2014 https://www.youtube.com/watch?v=FGwA...ature=youtu.be
        Man does not live by measurements alone, a little music helps.

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        • #5
          Re: Wiring for tapered line-array of 16 full-rangers? Help!

          Originally posted by kenny_k View Post
          According to that chart, he might as well just go to 12 drivers and run the 6 ohm impedance (3 series 8ohm split into 4 parallel groups)

          Comment


          • #6
            Re: Wiring for tapered line-array of 16 full-rangers? Help!

            But that is not tapered the way he wants it.

            Comment


            • #7
              Re: Wiring for tapered line-array of 16 full-rangers? Help!

              Originally posted by dthomas View Post
              You have a solution your current wiring nets you 11.4 ohms. higher than your 8 ohm objective.
              Thanks very much. 11.4 is perfect. I'll be driving this array and a sub (8 ohm) with separate channels of a stereo PA powered mixer but in case of a failure I want to feel safe that I can chain both speakers to one side and not go under 4 ohms.
              I appreciate the help. I haven't calculated figures using unequal values before- my other line array was 9 (8 ohm) speakers in 3 series-parallel groups, so easy 8 ohms there.

              Comment


              • #8
                Re: Wiring for tapered line-array of 16 full-rangers? Help!

                Originally posted by Taran View Post
                According to that chart, he might as well just go to 12 drivers and run the 6 ohm impedance (3 series 8ohm split into 4 parallel groups)
                I wanted 8 or more ohms in case I had to chain it with another 8 ohm speaker on the same amp channel for emergencies. Also wanted to use all 14 speakers. However Dave calculated 11.4 ohms for the setup I described, so perfect!

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                • #9
                  Re: Wiring for tapered line-array of 16 full-rangers? Help!

                  How is this project going? Any details or pics? Sounds like a mini line array or something….?

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