Diamond audio enclosure suggestions?

[Badfastbusa 10+ year member]

I bought 2 diamond audio CM312D2 12in subwoofers yesterday at a pawn shop and way over paid for them and am now trying to make the best of what i got... they come in a box but it is old and leaks real bad, which i think is making the subs bottom out, so i need to build an enclosure for them that would do them justice and make them sound a lot louder and not bottom out...

they say on the subwoofers that they are dual 2ohm 300w, but their website says they are 500w, so i think i got an older set.

Someone please help me on a badass box design to make them hit hard... i don't care if it is ported or sealed, i just want it to hit hard and help the subs not bottom out. I have a Kenwood 9102d mono amp on them.

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[HotCarl 10+ year member]

I bought 2 diamond audio CM312D2 12in subwoofers yesterday at a pawn shop and way over paid for them and am now trying to make the best of what i got... they come in a box but it is old and leaks real bad, which i think is making the subs bottom out, so i need to build an enclosure for them that would do them justice and make them sound a lot louder and not bottom out...
they say on the subwoofers that they are dual 2ohm 300w, but their website says they are 500w, so i think i got an older set.

Someone please help me on a badass box design to make them hit hard... i don't care if it is ported or sealed, i just want it to hit hard and help the subs not bottom out. I have a Kenwood 9102d mono amp on them.

id do something like 3 - 3.75 cubes tuned @ 30 hz or so.

 

[DBfan187 5,000+ posts]

5.5Cf 32Hz with 40"sq. of port area.

 

[Badfastbusa 10+ year member]

that is the problem, i have never builted a ported box and have no idea where to start to get specs on it. i have built quite a few sealed enclosures before but never anything as complicated as a ported box. if someone could hook me up with a layout on how in the heck to put it together that would be awesome...

BTW, i thank you very much for your replies, they are greatly appreciated!

 

[Badfastbusa 10+ year member]

BTW, i got the whole extended cab of a silverado to work with, so there is plenty of room

 

[azbass 5,000+ posts]

iv called diamond before. and they sent me a cut/spec sheet on a box made for their woofers..

 

[Badfastbusa 10+ year member]

5.5Cf 32Hz with 40"sq. of port area.

I was looking at the box plans that we have here on the enclosure forum, but they only got to 5 @ 34 for 2 subs... http://img35.imageshack.us/my.php?image=5cubes34hz75sqin1us.png

 

[Shyne151 10+ year member]

Goto diamond's website and print out their cutsheet.

 

[Badfastbusa 10+ year member]

i think they went out of business or something, their website is down and both the regular phone and the fax says that they have been disconnected... i don't know what the deal is.

 

[Badfastbusa 10+ year member]

anyone got any cut specs they could hook me up that would work for these 2 12's?