Hi, I currently have a dual 12' shiva sonotube sub and wanted to build a second to add to my system. What do you all recommend for size to match my first tube? I figure to match the second with the first they should have approx. the same tuning points (correct?).
Here is a link to my first tube:
I would like both tubes to look similar to each other. I could make the second tube with 30" diameter tube (if needed) but dont really want to if I can avoid it. My first tube is tuned to 22-23 so it should extend to 19-20.
I am very basic at all of this, and would really like a down and dirty instruction list. This is my DandD list on my first:
54" length of sonotube.
2 caps, with 2 layers of MDF (?) caps on each end that are entirely mounted internally. 11" hole on each end for the driver, 8 inch hole for the port. the finish caps are mounted externally so this does not contribute to the volume but the port does not extend to the end of the cap so you will have to add / subtract the cap height to the port length measurement.
Each 8" port to be 17 " long (plus adding the cap height).
Does the above make sense? and if so what are your recommendations?
Thanks a bunch!!
Gregg
Here is a link to my first tube:
I would like both tubes to look similar to each other. I could make the second tube with 30" diameter tube (if needed) but dont really want to if I can avoid it. My first tube is tuned to 22-23 so it should extend to 19-20.
I am very basic at all of this, and would really like a down and dirty instruction list. This is my DandD list on my first:
54" length of sonotube.
2 caps, with 2 layers of MDF (?) caps on each end that are entirely mounted internally. 11" hole on each end for the driver, 8 inch hole for the port. the finish caps are mounted externally so this does not contribute to the volume but the port does not extend to the end of the cap so you will have to add / subtract the cap height to the port length measurement.
Each 8" port to be 17 " long (plus adding the cap height).
Does the above make sense? and if so what are your recommendations?
Thanks a bunch!!
Gregg
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