two 12D6 MA subs, enclosure specs?

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xTimx

Copper - Posts: 354

Joined: September 13, 2002

Location: Canada

Posted: May 19, 2005 at 2:25 PM / IP Logged

i have two 12D6 MA subs, they're in a sealed box 3.0^. but i'm really wanting to go vented sometime soon. especially in a fiberglass box. but the thing is..the specs say that each sub needs 2.5^ of space for vented! thats insane and to have a box with two 12" subs that is 5.0^ is way too big for my car (90' honda crx) so is the spec correct or can i get away with making the enclouser smaller. the sealed box currently takes up the whole hatch. help please! and thanx you!

xTimx

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DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: May 19, 2005 at 2:32 PM / IP Logged

Get the T/S parameters for the subs and model them in a program like WinISD or Unibox. The manufacturer's recomendations are usually for a "typical performance" enclosure, but you can do anything you want with any speaker as long as you understand the ramifications and compensate for or accept them.

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xTimx

Copper - Posts: 354

Joined: September 13, 2002

Location: Canada

Posted: May 19, 2005 at 2:48 PM / IP Logged

lol well thats the thing.....the parameters are really hard to find. i had them a while ago, but now i dont. if anyone can help me out with this one, please do! and it would be greatly appreciated! thanx!

xTimx

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customsuburb

Gold - Posts: 1,813

Joined: January 17, 2004

Location: United States

Posted: May 19, 2005 at 3:14 PM / IP Logged

http://www.maaudio.com/sub/support_boxparameters.html The parameters should be in there.

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xTimx

Copper - Posts: 354

Joined: September 13, 2002

Location: Canada

Posted: May 19, 2005 at 5:37 PM / IP Logged

alright well, i put in the specs. into winisd, and its even worse than the actual specs for what ma audio needed. when i put in the specs the enclouser for 2 12d6, comes out to 6.70^3. which is really really big for my car. (sighs) dunno what to do! lol

xTimx

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customsuburb

Gold - Posts: 1,813

Joined: January 17, 2004

Location: United States

Posted: May 19, 2005 at 6:10 PM / IP Logged

It sounds like you need to play around with the box size more. If you just go with what WinISD automatically calculates you are probobly going to have a huge box. Play around with box size and different tuning frequencys.

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two 12D6 MA subs, enclosure specs?

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