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Guys, I have everything needed to start my sonosub but I can't find any information on here about the process used for cutting the sosotube. Does anyone have a trick to accurately cut this stuff? If so please chime in. Thanks.
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I cut an endcap that slides inside the tube and tack it in place. I use a carpenters square to ensure the endcap is perpendicular to the tube. Then use a router and a flush-cut bit.....that makes a perfect cut every time.
Looks like this when you're doing it....
IB subwoofer FAQ page
"Complicated equipment and light reflectors and various other items of hardware are enough, to my mind, to prevent the birdie from coming out." ...... Henri Cartier-Bresson -
When you say "tack it in place" do you mean with a brad nailer, and if so how hard is it to get the end cap out after? Seems to me like you would have to tear the nails through the sonotube.Comment
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I don't believe you take it back out.Comment
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Let's put our thinking caps on.......
If you want to remove the end-cap use a few small screws to hold it in place, and back them out after the cut is completed.
The other technique is circumscribe the tube and cut it with a jigsaw.
Rockler sells a nifty flat tape measure designed for wrapping around a cylinder. There's also a thing called a 'pipe-tape' it's a wide flat rolled up piece of very thick paper/plastic that one unwraps around the tube and is used to scribe a line.
IB subwoofer FAQ page
"Complicated equipment and light reflectors and various other items of hardware are enough, to my mind, to prevent the birdie from coming out." ...... Henri Cartier-BressonComment
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I use the builder's / painter's paper in the paint section at HD/Lowe's. They come in 3' and 6" widths IIRC. Get the smaller width (or any stiff roll paper) and wrap it around the tube and make the ends meet - the edge of the paper defines your cut line. Cut with a jig saw.Comment
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El Nino gave you the good tip. I used a roll of gift wrap. Like he says, wrap the paper around and if the overlapped edges are in alignment, that "cut edge" will automatically give you a cut end that is perpindicular to the tube sides. Now you need Patrick Sun, covered in MDF dust, to give you some more tips.
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Thanks guys, I will give the builders paper a try as soon as my sonotube arrives on tuesdsay. Can't wait to get started, that SS RL-p15 is just begging for an enclosure.Comment
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I would like it noted that, since Hank admitted I gave a good tip, he has lost all rights and privileges to henceforth call me "full of shit"
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I like to measure off the sono and then apply the blue painters tape. After doing so I then make my cut with a thin blade fine toothed finish saw in the middle of the tape. After doing so, it's a good idea to put a band of tape on the inside and over the end to protect your work and cylinder.
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I just lube up ol' Bessie here and run it across the tube myself......
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EL Nino, you are 98% full of it.
Chas: nice blade! I've got a stack of MDF that I'll bring over for some slicing and dicing. Diamond blades are a guy's best friend.
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Hey be nice now, or I'll forget to swing by your place on my room acoustics measurement tour of Austin
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