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Old 05-07-2008, 02:21 PM
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fizmixa
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Default subwoofer mounting

was wondering what you recommend to use to get a good "seal" at the subwoofer mounting holes to the box. i've read about the t-nuts, but what other good options are there? right now i'm using weather stripping around the subwoofer hole. i'm not too confident in that. what about some wood glue in the pre-drilled holes for the mounting screws in addition to the weather stripping? any ideas are welcome.

thanks.
Old 05-07-2008, 02:46 PM
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DVFlyer
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Weather stripping is fine. Some woofers come with a similar material as a gasket.

I use those black drywall screws. If I could rid the world of T-Nuts I would.
Old 05-07-2008, 04:14 PM
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smaha
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+1 on the drywall screws.
Old 05-07-2008, 04:38 PM
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StreetOC192
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The drywall scews aren't bad (course thread of course), but I prefer the pan head on these, and they are inexpensive:

http://www.partsexpress.com/pe/showd...number=081-435
Old 05-08-2008, 02:27 PM
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fizmixa
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so drywall screws huh? i'll give that a go. thanks.
Old 05-08-2008, 02:58 PM
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Don't be confused by the "drywall" part. They are just course thread screws. Home Depot has them in orange boxes for cheap. The Panhead ones referenced above are good too because they have a bit more surface area but get whichever you see first.
Old 05-09-2008, 08:53 PM
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sosojeffcc
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yeah t-nuts are horrible!

nothin works better than the plain drywall screws with some pilot holes drilled
Old 05-14-2008, 11:45 AM
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fizmixa
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so i have some air leaks at 2 of the mounting holes after screwing down the subwoofer. is there something you guys recommend to put over the screw and mounting area to give it a good seal? something i can use that is not permanent so that i can replace my subwoofer if needed in the the future?

thanks.
Old 05-14-2008, 11:53 AM
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Originally Posted by fizmixa
was wondering what you recommend to use to get a good "seal" at the subwoofer mounting holes to the box. i've read about the t-nuts, but what other good options are there? right now i'm using weather stripping around the subwoofer hole. i'm not too confident in that. what about some wood glue in the pre-drilled holes for the mounting screws in addition to the weather stripping? any ideas are welcome.

thanks.
I believe it depends on what type sub your running and if it's a seal enclosure vs. ported. Regular "drywall" or wood screws are not going to keep that sub anchored very long if your running heavy power. Heavy vibration from a hard hitting sub will cause the screws to back out.

There's nothing wrong with T-nuts or Hurricane nuts as long as you pre-drill the hole properly where the anchor nut sits. Another advantage to a T-nut is that you can remove the bolts multiple times without compromising the wood. MDF is not know for keeping it's shape. If you back out a wood screw too many times, eventually the MDF wood will begin to flake...

Last edited by VO...; 05-14-2008 at 11:56 AM.
Old 05-14-2008, 11:56 AM
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fizmixa
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its a sealed box, but the screws are anchored fine. its just that i'm feeling small air leaks around 2 of the screws when the sub really starts hitting..
Old 05-14-2008, 12:05 PM
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Originally Posted by fizmixa
its a sealed box, but the screws are anchored fine. its just that i'm feeling small air leaks around 2 of the screws when the sub really starts hitting..
Other than torquing down your mounting screws harder, there's nothing I know of since you're already using weather stripping.

However, the Hurricane nuts will allow you put some hellafied torque down if you choose to go that route.
Old 05-14-2008, 12:35 PM
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t -nuts FTW
Old 05-14-2008, 02:04 PM
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If there is air leaking around the screws and you have any sort of gasket material, something else is wrong. Speaker hole too small- speaker not sitting perfectly flush?
Old 05-14-2008, 02:06 PM
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cbr900son
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U can use alittle baby powder and sprinkle it on ur sub and push the cone down by hand and see where the air is blowing up the powder to locate a leak btw.
Old 05-15-2008, 06:28 AM
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Originally Posted by DVFlyer
Speaker hole too small- speaker not sitting perfectly flush?
+1. I've never had a sub leak when the proper gasket was used and it was mounted flush and tight with all mounting screws/bolts.....
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