sonotube numbers, what do you think?

Discussion in 'Archived Threads 2001-2004' started by Tony Richardson, Jan 25, 2001.

  1. Tony Richardson

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    Here are the numbers I came up with for my Shiva Sonotube project. Take a look and let me know if it can be improved.
    Driver : Adire Shiva 12
    Vas : 133.0
    Qts : 0.38
    Fs : 22.00
    SPL : 87.70
    Project by : Tony Richardson
    Number of drivers : 1
    Tube type : Vented
    Tube size : 142.5 leter
    Tuning frequency : 22.00 Hz
    Vent : 1 vent
    10.83 in length
    4.02 in dia.
    Vent Mach : .10
    Sonotube I.D.. = 15.5”
    Sonotube Length = 49.25”
    Endcaps = (2) layers ¾” mdf
    Freq SPL
    [Hz] [dB]
    20.00 83.26
    25.00 86.80
    30.00 87.19
    35.00 87.15
    40.00 87.13
    45.00 87.15
    50.00 87.18
    55.00 87.23
    60.00 87.27
    65.00 87.31
    70.00 87.35
    75.00 87.38
    80.00 87.41
    85.00 87.44
    90.00 87.46
    95.00 87.48
    100.00 87.50
     
  2. Patrick Sun

    Patrick Sun Studio Mogul

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    The only thing I can think of is to suggest a flared port, and don't expect to be able to push a whole lot of power into it (maybe 300W or less) before the porting limiting the output. The flared port will help in that department.
    Otherwise, go for it!
    ------------------
    PatCave ; HT Pix ; Gear ; Sunosub I + III ; DVDs ; LDs
     

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