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Driver diameter & pistonic beaming frequencies

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Driver diameter & pistonic beaming frequencies

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Due to wavelength, drivers of different diameters beam - become unpleasantly narrow in dispersion - at various frequencies. Here's a table of various driver sizes and the frequencies where their pistonic movement becomes undeniably directional:

speaker    beaming limit
-------    -------------
  18"           903 Hz
  15"          1052 Hz
  12"          1335 Hz
  10"          1658 Hz
   8"          2105 Hz
   6"          2672 Hz
   5"          3316 Hz
   2"          6840 Hz
   1"         13680 Hz

back to Fearfulâ„¢ 12/6 & 15/6

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