Richard Peterson
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Impious, Off topic but I like your signature. Recently out of the closet on religion. Thanks!
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BTW, no need to answer on the Software. I googled. Starting to play with WinISD now.
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Guys, thanks for posting! For a point of clarification the Sonotube is a ported design. I downloaded a program, Sonosub, that had a Fi Q18 as a default driver and it had a suggested total volume of 260 liters. I tried to paste in a pic, but was not successful. The other parameters the program suggests are: Tuning Freq - 15.6hz Inside diameter of Tuber - 22inches Port Diameter - 6inches Port Length - 30inches Endcap to Endcap Height - 48.7inches Of course the height and diameter can be changed to meet the Volume requirements. A couple of more generic questions. Is there a book that I could read that clearly explains the driver parameters and their effects on real world performance? Such as Vas, Q, etc. Impious you seem to have a handle on them. The other question, Impious, you mentioned running a simulation on the design. Is there software that would make that easy, and free ? Again, thanks Guys...
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I'm looking for some expert advice from the makers of the drivers. About 2 years ago I purchased 2 18IBs. I built a IB sub in the ceiling and about 2 months later I sold the house and moved. Before moving I pulled my 18s from the ceiling and now they are sitting in my closet. The big problem is my new home is not conducive to the IB design (no basement, flat roof). So, the question is can I use the IB drivers in a sonotube design? If not, why not? If I did, although it may not be ideal, what should I expect? Any light you can shed is much appreciated. Richard