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LAB Sub Build |
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Chris P 
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Joined: 22 November 2006 Online Status: Offline Posts: 118 |
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 Topic: LAB Sub BuildPosted: 13 March 2008 at 11:27pm |
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Yeah some, but its been slow. Have been taking my time cutting all the pieces and getting that centre module built. I've got pics of it going up in stages, but i was waiting till a had a significant amount of pics.
Should get a real crack on them on Sunday. |
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jethrocker
Old Croc 
Joined: 07 June 2006 Location: Chiapas, Mexico Online Status: Offline Posts: 1940 |
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Posted: 13 March 2008 at 1:59am |
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Any progress?
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biotec
Old Croc
Joined: 07 June 2004 Location: United Kingdom Online Status: Offline Posts: 1903 |
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Posted: 07 March 2008 at 4:06pm |
If you have a gap of less than a milimetre it is not normally enough to compromise the structural integrity of a cabinet but may well let some air flow if under high pressure. If you can find an instance where polyeurathane glue and gripfill did not provide enough strength or gap filling properties for gaps of this size then let me know.
As every carpenter knows, the glue is stronger than the cabinet; fixing the kind of tolerance issues that are unavoidable with a non homogenous material like wood with glue and adhesive filler is pretty standard in all forms of construction. Obviously if you have large gaps then the strength of the cab is compromised and you'll need to recut the piece, but my original statement said 'if in doubt', there are no doubts in anyones mind when you can see daylight through a gap or can stick your finger through it.
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MarjanM
Old Croc
Joined: 10 February 2005 Location: Macedonia Online Status: Offline Posts: 1678 |
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Posted: 07 March 2008 at 3:57pm |
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5 sheets and plus a tiny bit more.
When i calculated it i made the baffles out of the mdf and all the rest fits in 5 sheets :-) |
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Marjan Milosevic
Total Production www.totalproduction.com.mk http://www.facebook.com/home.php?ref=home#!/?ref=home http://www.myspace.com/totalproductionmk |
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Mark James
Old Croc
Joined: 15 January 2006 Location: United Kingdom Online Status: Offline Posts: 4278 |
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Posted: 07 March 2008 at 3:29pm |
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its around 2.5 sheets of 8x4 per cab iirc.... maybey a little less.
so 5 sheets per pair????? |
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rip bpm sound system :(
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justamadman
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Joined: 13 May 2007 Location: United Kingdom Online Status: Offline Posts: 1096 |
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Posted: 07 March 2008 at 3:23pm |
f**k that, if you f**k it up do it again don't go trying to bodge it with paper clips and chewing gum..................... do it right just out of interest, how much ply would you have to go through to make a pair of labs Edited by justamadman - 07 March 2008 at 3:24pm |
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in front of the bass bins baby
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Chris P
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Joined: 22 November 2006 Online Status: Offline Posts: 118 |
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Posted: 07 March 2008 at 3:04pm |
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Cheers fellas! Right, thats that settled then. Ply sides it is. I'm just working on those funny angled pieces that lead from the heart of the module to the begining of the mouth of the horn. Those angles are proving to be a right mare....
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Lasse Lukkari
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Joined: 09 March 2004 Location: Finland Online Status: Offline Posts: 450 |
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Posted: 07 March 2008 at 10:37am |
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At the time I built my first two labsubs 4 years ago there wasn't any mm plans available and I didn't know how to use cad, so i used 19mm mdf for the module just like you. Everything else is 18mm ply.
Edited by Lasse Lukkari - 07 March 2008 at 10:38am |
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biotec
Old Croc
Joined: 07 June 2004 Location: United Kingdom Online Status: Offline Posts: 1903 |
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Posted: 07 March 2008 at 10:14am |
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I think the comprimise that you suggest is perfect, it should last as long as a ply cab and will meet your budget. Good luck with the rest of the build, it's not a particularly complex cab to build, it's just slow because of the number of pieces and needs to be done perfectly to ensure everything is nice and air tight.
If in doubt, get the gripfill and polyeurethane glue out.
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MarjanM
Old Croc
Joined: 10 February 2005 Location: Macedonia Online Status: Offline Posts: 1678 |
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Posted: 06 March 2008 at 11:24pm |
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If you combine ply and mdf than just make the big side panels from ply. They are handeling most of the abuse.
MDF is fragile and corners can be easily damaged with all that weight even by the ligt impact during the transport. To load tne labsub in the truck you need minimum of two strong man. |
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Marjan Milosevic
Total Production www.totalproduction.com.mk http://www.facebook.com/home.php?ref=home#!/?ref=home http://www.myspace.com/totalproductionmk |
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