Do I need to seal around sub's rim? - AVS Forum
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post #1 of 5 Old 09-14-2012, 10:38 PM - Thread Starter
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Hey,

I have almost completed the first of a few TC LMS 18" sub boxs and I am ready to bolt the woofer to the box. Do I need to run a silicon bead around the the rim of the sum or will the rubber be sufficient for a seal. Also should I run a bead of silicon around the inside of the box? I used rabbit and dado for joinery.

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post #2 of 5 Old 09-15-2012, 05:07 AM
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Yes, I would run a bead around the joints inside the box. No I would not run a bead around the rim of the driver. You may want or need to remove the driver. The rubber seal should work fine on the driver.

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post #3 of 5 Old 09-15-2012, 12:16 PM
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Definitely don't use silicon on your drivers to get a better seal, as Mike has already said you may need to remove them and you would have a horrible time.

I would actually remove the rubber gasket and use this instead: http://www.parts-express.com/pe/showdetl.cfm?partnumber=260-542

Rubber gaskets can leak so I always remove them and use the gasket tape for a airtight seal. I got this tip from Bossobass a long time ago who is one of the most knowledgeable sub builders on this forum.

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post #4 of 5 Old 09-15-2012, 04:58 PM - Thread Starter
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Thanks for the comments guys.
I really did not think that I would need to put a bead of silicon around the inside of the box, especially with the joints I used and the amount of glue and clamping. I would have thought the wood glue would have provided a good seal. What would the effect be of a very small leak?


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post #5 of 5 Old 09-16-2012, 02:52 PM
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Quote:
Originally Posted by JapanDave View Post

Thanks for the comments guys.
I really did not think that I would need to put a bead of silicon around the inside of the box, especially with the joints I used and the amount of glue and clamping. I would have thought the wood glue would have provided a good seal. What would the effect be of a very small leak?

You really do not need to use silicon. What most people do is run a bead of glue and then smooth it out with your finger.

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