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A question about speaker delay at distance

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  • A question about speaker delay at distance

    Yesterday the wife and I went to the Del Mar race track (first time). As my nature I'm always looking around at things and wondering how they did this and that. We were at the edge of the overhead which has to be a minimum of 100+ yds. long (the stands). I notice there were small speakers (12-14"L x 6-8"W) about 15' overhead spaced about 15-18' apart. What I noticed is there was no detectable echo (delay) from the speakers at a distance. How do they delay that many speakers to make them sound as one no matter where you are?
    Ego is the anesthesia used to deaden stupidity

  • #2
    Never seen the setup so guessing.

    1. Very directional coverage speakers. They only cover a small area.
    2. Low output per speaker to help reduce interference between them.
    3. Limited low frequency response. ( if you don't go too low its easier to design a speaker to cover just a small area )
    4. All speakers aligned to the main larger system.

    A old write up but may be something here for you.

    Last edited by Dookietwo; 08-06-2017, 06:31 AM.


    • #3
      On an overhang in an environment like this, it's pretty hard to detect multiple arrival times when they are not spaced far in time. the distance to the sources is why it works.
      Former product development engineer: Genz Benz, a KMC Music/FMIC/JAM Industries Company, continuing factory level product support and service for Genz Benz

      Currently product development engineer: Mesa Boogie