Posted by DVD [ 69.243.18.17 ] on February 14, 2005 at 14:41:47:
Is It possible to build a short line Array and still get a reasonable vertical dispertion?
What is the vertical dispersion characteristics of a line array vs line length?
Is it possible to use four 6.5 inch drivers and get approximately 3 to 4 foot dispertion window at 12+ feet?
Based on Dr. Griffin's paper I think it should be possible to do this allthough it will be in far field. According to Dr. Griffin's paper, four 6.5 driver should go far field at approx 6 ft @ 2KHz and then the beam should start to diverge. two 5 inch long ribbons on 6 inch centers, with acceptable vertical dispertion angle of 10 deg. included, should provide an acceptable vert. winddow at 12+ ft.
What have I done wrong? Four higher quality mid/bass drivers and two ribbon tweeter might be a littel less expencive and easer to build than a 10 driver 6ft array. Granted it would be Farfield, but it's all about tradeoffs is it not?
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