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Meaning of parameter

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  • Meaning of parameter

    I was looking at a driver on the Visaton website, and came across something I've not seen before, and don't understand, maybe someone can explain it. There was a heading under the specifications for "opening angle (-6dB), and for this partcular driver it was 122 deg @4000 Hz.
    This sounds like phase data, but that is just my guess. Any clarification out there?

    I also see that they offer a free program, boxsim, that you can download in English. It includes some crossover functions as well, looks nice but I haven't tried it.

  • #2
    My guess it is a description of a dispersion balloon ( @ 4khz ) it is 122 degrees wide ( the points at which the SPL level is -6db )
    "Not a Speaker Designer - Not even on the Internet"
    "If the freedom of speech is taken away, then dumb and silent we may be led, like sheep to the slaughter."

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    • #3
      Originally posted by Sydney View Post
      My guess it is a description of a dispersion balloon ( @ 4khz ) it is 122 degrees wide ( the points at which the SPL level is -6db )
      I agree, they are stating the dispersion angle at 4 kHz.

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      • #4
        Agree re: dispersion angle

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        • #5
          Must be dispersion. I thought everybody called the -6dB points beamwidth.
          Francis

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          • #6
            Thanks everyone!

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            • #7
              Boxsim is an excellent crossover modeling tool with the added benefit of an optimizer. Very easy to learn and to use.

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