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Post by bgrotto on Jun 4, 2021 22:01:59 GMT -6
We recently made some at my studio for super short money. Buy some large-scale pipe insulation (we did 11", 12", and 16"), and mount em on circles of ply (top and bottom) with a threaded rod holding the whole thing together. Keep the paper on one side for reflection/diffusion. Wrap in some Guilford of Maine, maybe mount em on a short straight mic stand, and bam. Tube trap.
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Post by srb on Jun 5, 2021 12:02:20 GMT -6
We recently made some at my studio for super short money. Buy some large-scale pipe insulation (we did 11", 12", and 16"), and mount em on circles of ply (top and bottom) with a threaded rod holding the whole thing together. Keep the paper on one side for reflection/diffusion. Wrap in some Guilford of Maine, maybe mount em on a short straight mic stand, and bam. Tube trap. Got some pics you could share? |
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Post by winetree on Jun 7, 2021 16:11:10 GMT -6
I am building 4 -14" half rounds. Could have used 1" thick fiberglass but I had 2" already. These still need a backing, top and bottom caps and covering. A lot more complicated than glueing a top and bottom on a fiberglass tube.  Attachments:
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Post by Quint on Jun 7, 2021 18:22:12 GMT -6
I am building 4 -14" half rounds. Could have used 1" thick fiberglass but I had 2" already. These still need a backing, top and bottom caps and covering. A lot more complicated than glueing a top and bottom on a fiberglass tube. View AttachmentI thought these had to be fully round to work? Something to do with the sound passing through, reflecting off the back wall, and then passing through the tube again. |
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Post by tkaitkai on Jun 7, 2021 18:49:01 GMT -6
I am building 4 -14" half rounds. Could have used 1" thick fiberglass but I had 2" already. These still need a backing, top and bottom caps and covering. A lot more complicated than glueing a top and bottom on a fiberglass tube. View AttachmentI thought these had to be fully round to work? Something to do with the sound passing through, reflecting off the back wall, and then passing through the tube again. ASC themselves actually sell half and quarter rounds. I've never used those personally, so I can't comment on how they sound, but I believe they have slightly different performance characteristics from standard tube traps. www.asc-studio-acoustics.com/tube-traps/fractionals/ |
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Post by Ward on Jun 9, 2021 5:31:54 GMT -6
I thought these had to be fully round to work? Something to do with the sound passing through, reflecting off the back wall, and then passing through the tube again. ASC themselves actually sell half and quarter rounds. I've never used those personally, so I can't comment on how they sound, but I believe they have slightly different performance characteristics from standard tube traps. www.asc-studio-acoustics.com/tube-traps/fractionals/Good o. ya. Having your facts straight always helps the credibility of posts. I love what winetree has done here, and have been thinking about making some for some corner joints. |
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Post by keymod on Jun 9, 2021 5:38:15 GMT -6
I am building 4 -14" half rounds. Could have used 1" thick fiberglass but I had 2" already. These still need a backing, top and bottom caps and covering. A lot more complicated than glueing a top and bottom on a fiberglass tube. View AttachmentThose are really nicely done. How did you get the outside arc to cooperate? |
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Post by Quint on Jun 9, 2021 19:02:54 GMT -6
I thought these had to be fully round to work? Something to do with the sound passing through, reflecting off the back wall, and then passing through the tube again. ASC themselves actually sell half and quarter rounds. I've never used those personally, so I can't comment on how they sound, but I believe they have slightly different performance characteristics from standard tube traps. www.asc-studio-acoustics.com/tube-traps/fractionals/If they have different performance characteristics, that would speak to what I've read about this before. Like I said, I believe I've read that the fully cylindrical traps function in the way that they do because of being fully tubular (and placed at least some amount of distance away from the wall). Though that's not to say that the half or quarter versions don't still do their own thing. www.asc-studio-acoustics.com/how-the-attack-wall-works-5/Ward can offer alternative facts to the contrary if he likes... |
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Post by bgrotto on Jun 9, 2021 19:58:33 GMT -6
We recently made some at my studio for super short money. Buy some large-scale pipe insulation (we did 11", 12", and 16"), and mount em on circles of ply (top and bottom) with a threaded rod holding the whole thing together. Keep the paper on one side for reflection/diffusion. Wrap in some Guilford of Maine, maybe mount em on a short straight mic stand, and bam. Tube trap. Got some pics you could share? I keep meaning to snap a few at the studio and then I forget, sorry about that! I don't have a smart phone so taking a picture is a bit more of a production than you'd expect. I'll try to remember on my job tmw and i'll post them here. Honestly, they're not much to look at. They're about as simple in construction as you could imagine! |
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Post by winetree on Jun 9, 2021 23:30:51 GMT -6
Got some pics you could share? I keep meaning to snap a few at the studio and then I forget, sorry about that! I don't have a smart phone so taking a picture is a bit more of a production than you'd expect. I'll try to remember on my job tmw and i'll post them here. Honestly, they're not much to look at. They're about as simple in construction as you could imagine! I made 50 of the simple tube, top, bottom, and kraft foil. Built an attack wall and placed some down the side walls. Upper wall to ceiling 9" rounds around the room. I'm building 12" and 16" isothermal rounds and some 16" half rounds to dial in the new tracking room acoustics.   |
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Post by Quint on Jun 10, 2021 7:01:36 GMT -6
I keep meaning to snap a few at the studio and then I forget, sorry about that! I don't have a smart phone so taking a picture is a bit more of a production than you'd expect. I'll try to remember on my job tmw and i'll post them here. Honestly, they're not much to look at. They're about as simple in construction as you could imagine! I made 50 of the simple tube, top, bottom, and kraft foil. Built an attack wall and placed some down the side walls. Upper wall to ceiling 9" rounds around the room. I'm building 12" and 16" isothermal rounds and some 16" half rounds to dial in the new tracking room acoustics. View AttachmentView AttachmentNice. And that seems imminently doable on a budget. |
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Post by bgrotto on Jun 10, 2021 23:19:45 GMT -6
Welp, I tried to take a few pics today, and between my dumb, ancient iPad and this site's limited attachment functionality, I failed completely. So, like any normal person, I'm giving up after one half-assed try. Ha.
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Post by winetree on Jun 11, 2021 21:32:10 GMT -6
4 little tube traps all in a row.  Going to stack and use 2 in each corner for corner bass and diffusion traps. |
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Post by Ward on Jun 12, 2021 9:31:09 GMT -6
You're going to need to buy the property next-door and expand southwards. |
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ericn
Temp
Balance Engineer
Posts: 16,083 
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Post by ericn on Jun 14, 2021 10:54:29 GMT -6
You're going to need to buy the property next-door and expand southwards. Nah he needs to expand eastward, you know to my place. |
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mjh
New Member
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Post by mjh on Jul 10, 2021 6:43:19 GMT -6
Hi, I'm new here. I have a small room, which currently has no low end in it, a bass void. I was thinking about trying out some tube traps, and did some sketches in Rhino. The rough idea would be a back wall that's made of thick diaphragmatic bass absorbers, then a kind of 'attack wall' style set up, with the thick (20 - 16") tubes curved around the listening position. Room has a lowered ceiling across half of it, and isn't totally symmetrical. Can tilt the bass absorption wall. Can change the size of the tubes, add bass traps to the walls / ceiling etc. Sketches as follows. Room is c. 357 x 293 (11ft x 9ft) Any thoughts? |
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Post by winetree on Jan 31, 2022 22:35:00 GMT -6
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