Speaker baffle problems

[klepto 10+ year member]

So i have some rather large speakers with an outside diameter of 7 1/2 (Crystals). I am putting them in the place of the stock 5x7/6x8 holes with 1/2'' MDF baffles. Now after cutting the baffles to fit the speaker and line up with the stock door holes im left with a problem i knew i was going to have.

My door has ridges in it around the 5x7 hole that interfere with the flush mounting of the baffle. Here is a pic in which you can see the ridge.

You can see the ridge in the right hand side...



And here are some pics of me putting the baffle up to the actual door. You can see there are some serious gaps because of the large OD of the speakers and the ridges iin the door.







How would i go about sealing these gaps? Some sort of caulk? Silicone? More dampner? I all ready plan on using non hardning model clay on the finished product but that is no where near strong enough to seal these gaps.

Thanks.

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[kicker06 10+ year member]

Non-hardening Molding Clay.

 

[klepto 10+ year member]

Non-hardening Molding Clay.

Really that will be strong enough for those large gaps?

 

[jacka 10+ year member]

yep.. you live in san jose, go to the michael's at mccarthy ranch.. i just got some this weekend.

 

[kicker06 10+ year member]

Really that will be strong enough for those large gaps?

Thats what I see everyone else using.

 

[klepto 10+ year member]

Sweet i thought i was gonna have to do some fabricating. Does model clay hold up in the killa cali heat?

 

[jacka 10+ year member]

it'll be fine.

 

[azbass 5,000+ posts]

i would fill it with somthing stronger than clay..

 

[klepto 10+ year member]

i would fill it with somthing stronger than clay..

Like what?

 

[Nexson 10+ year member]

maybe rope chaulk or regular caulk

 

[helotaxi 5,000+ posts]

I think I would just cut the outer shape of the baffle to the shape of the flange and then screw it and caulk it with silicone.