Speaker Dispersion Question

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  • RH Customs
    Member
    • May 2006
    • 99

    #1

    Speaker Dispersion Question

    I have a question about speaker dispersion. When the manual says 40 degree arc (DM 303), does that mean to either side of the speaker or 20 degrees to each side?
    "Yes, but these go up to aleven" Spinal Tap

    RH
    :-y
  • WI Rotel
    Senior Member
    • Jul 2006
    • 657

    #2
    Originally posted by RH Customs
    I have a question about speaker dispersion. When the manual says 40 degree arc (DM 303), does that mean to either side of the speaker or 20 degrees to each side?
    The dispersion relates to the angle at which the speaker radiates sound at the rated distortion and sound level. Take it as a triangle with the vertex located at the speaker. Indeed, 40 degrees would be 20 to each side from the perpendicular. That is one of the reasons the XT sounds so good (its due to its slim cabinet and tweeter position) it dispersion is 60 degrees! The XTC however being meant to be a center channel dispersion is only 20 when set horizontally as to keep those voices exactly where they are supposed to be. In the XTC aiming is crucial for good sound reproduction especially for surround audio.

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    • RH Customs
      Member
      • May 2006
      • 99

      #3
      Thanks, you answered my question exactly.

      RH
      "Yes, but these go up to aleven" Spinal Tap

      RH
      :-y

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