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Metal box


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staticxsoil 
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Joined: May 10, 2005
Posted: May 10, 2005 at 10:36 AM / IP Logged  
Has any one built a sub anclosure out of metal?
DYohn 
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Joined: April 22, 2003
Location: Arizona, United States
Posted: May 10, 2005 at 10:39 AM / IP Logged  
I haven't personally built one but I've seen several.  What did you want to know?
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Francious70 
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Posted: May 10, 2005 at 12:45 PM / IP Logged  
There's actually a few thread on here about that same subject. If I remember correctly a member built one and posted pictures and said he didn't much care for the way it sounded.
https://www.the12volt.com/installbay/forum_posts.asp?tid=40662&KW=steel
https://www.the12volt.com/installbay/forum_posts.asp?tid=49771&KW=steel
Paul
AudioZBahn 
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Posted: May 10, 2005 at 12:49 PM / IP Logged  
I have heard a memphis sub in a metal enclosure and it sound pretty shhhty. It sounded hollow maybe he didn't have enough fil but something just didn't sound right for it.
racer427 
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Posted: May 10, 2005 at 6:12 PM / IP Logged  

Metal tends to resonate heavily and the only way that I would think that you could get rid of it would be to line the hell out of it with Dynamat or heavy undercoating.

And that would be one hell of a heavy box!!!!!

Chris

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ss-installer 
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Posted: May 10, 2005 at 7:04 PM / IP Logged  
ill stick to wood and glass. i hate welding.
staticxsoil 
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Posted: May 12, 2005 at 10:40 AM / IP Logged  
The enclosure is for a truck. Im decent at welding and i plan to use alot of sound deadning in it. i was just wondering about the resonating quality of metal.
DYohn 
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Joined: April 22, 2003
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Posted: May 12, 2005 at 12:56 PM / IP Logged  
Use aluminum, not steel, and you can eliminate most resonance problems.  You want your enclosure to be acoustically neutral and not resonate at all.  If you must use steel, build it oversize and line it with MDF (actually build an MDF enclosure and then cover it with metal) for best results.
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Master Asylum 
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Posted: May 13, 2005 at 7:24 AM / IP Logged  
Dyohn, I love you, I just want you to know that. :) So efficient.
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staticxsoil 
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Posted: May 13, 2005 at 9:52 AM / IP Logged  
what grade of aluminum and how thick?
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