18sound 18” Dual Subwoofer build |
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concept-10
Young Croc Joined: 17 May 2016 Status: Offline Points: 1292 |
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Very nice
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I-shen Soundboy
Registered User Joined: 21 December 2016 Location: Big Smoke Status: Offline Points: 375 |
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Don't use silicon anywhere that's going to be painted, like screwholes. Paint don't stick to silicon. Nasty stuff, a simple acrylic sealant would do for sealing boxes and won't rot your cones with solvent emissions.
No need to glue screws, as the screwhole will pass through the glue layer (which will glue the screw).
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concept-10
Young Croc Joined: 17 May 2016 Status: Offline Points: 1292 |
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Also some silicone sealants give off acidic vapours when curing and this can attack the glues and certain rubbers used on drivers.
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wilidapili
Registered User Joined: 13 August 2018 Location: Finland Status: Offline Points: 56 |
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Yeah I read about that, and the guy at my closest shop that sells silicone couldn't answer if the ones he had will give off these acidic vapours which is why I didn't buy any sealant as of yet. Acrylic sealant doesn't seem to be as long lasting as silicone, though. Hmm.
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cravings
Old Croc Joined: 30 January 2007 Location: Ireland Status: Offline Points: 7441 |
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doesn't seem like you have any reason to expect any leaks. you've cut it properly.. glue and screws be grand. lovely build.
Edited by cravings - 27 September 2018 at 10:58am |
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I-shen Soundboy
Registered User Joined: 21 December 2016 Location: Big Smoke Status: Offline Points: 375 |
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In a damp bathroom or dirty kitchen scenario, pehaps not. Inside dry dark cabinets - not a problem.
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DMorison
Old Croc Joined: 14 March 2007 Location: Aberdeen Status: Offline Points: 1647 |
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Some are marketed specifically as "neutral curing" - these should be ok. Examples: Also, see if you have a shop in town that caters to people who keep tropical fish - they often build aquaria using sealant and would need to have it free of acidic residue after curing to create a liveable environment for the fish.
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wilidapili
Registered User Joined: 13 August 2018 Location: Finland Status: Offline Points: 56 |
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Thanks for this. He did have some to use in aquariums. Very small tube though = expensive. I'm starting to lean towards the acrylic sealant, since it can be painted on as well.
Edited by wilidapili - 27 September 2018 at 2:21pm |
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imageoven
Old Croc Joined: 28 March 2007 Location: Scotland Status: Offline Points: 2186 |
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This.
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Keep pushing on, things are gonna get better.
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wilidapili
Registered User Joined: 13 August 2018 Location: Finland Status: Offline Points: 56 |
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I really appreciate the nice words from everyone! I have a need/tendency to make it as good as possible with my skills, but I don't trust the outcome to be seamless even though that's what it looks like to the eye. Why not play it safe? Also wondering about what to use to seal the driver to the baffle. I need to read up on that soon, will probably find a ton of different possibilities.
Edited by wilidapili - 27 September 2018 at 10:09pm |
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wilidapili
Registered User Joined: 13 August 2018 Location: Finland Status: Offline Points: 56 |
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Today I made holes for the handles.
I screwed everything atleast 40mm from the corners, except 2 screws by mistake. Ofcourse both of these corners were cracked when I opened the box up, even though I pilot drilled them. I tried prying the cracks a bit open with a screw and inserted glue inside the cracks and the screw hole. I also accidentally screwed through the top at the completely wrong spot (was very tired ), so I routed out a 30mm diameter and 5mm deep spot and inserted a plug (perks of having a CNC - can whip up accurate jigs and other stuff) So no gluing the cab together as of yet. My goal is to able to test the sound on Monday!
Edited by wilidapili - 27 September 2018 at 10:18pm |
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IainB
Registered User Joined: 25 November 2016 Location: Rushden Status: Offline Points: 422 |
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Awesome job would love to have a CNC milling machine, my recent attempts manually aren't as nice, filler is going to be my friend
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