2 ID12's ported vs 3 sealed

[mattmcss 10+ year member]

I'm tryin to make a choice on my amps/sub setup , i have three ID12's sealed right now with around 1.0 cuft a piece , they are only running off my concept amp at 3 ohms so they get around 600 rms between the three , they get loud but i will run em at 1.333 ohms once i get me 1/0 gauge wire

My question , I would like to get a new amp the concept doesnt tickle my fancy too well , i like the alpine M605 does 600 rms at 2 ohms , i could port two of em and run it at 300 rms a piece which i think would sound good , or should i just seal the two of em up ?

Ported or sealed ?????

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[audioholic 5,000+ posts]

The title says 2 ported vs 3 sealed, but your post says 2 vs 2. //content.invisioncic.com/y282845/emoticons/sneaky.gif.7189749b3a3f769e8815b47e8ae87f88.gif What exactly are you wanting to compare here?

 

[mattmcss 10+ year member]

sorry bout that , i want to know if i should port two , and if it will match the output of the 3 sealed.

Or wont there be a real noticible difference in two sealed vs 3 sealed , it takes up my whole trunk and i'm kind of runniing out of ideas on how i can redo my trunk.

So i think just running two subs will help simplify things in there.

I like em loud , I'm happy with the three sealed on 600 rms , would two sealed on 600 rms sound good too ?

 

[iagrdshaka 5,000+ posts]

Which ID subs?

 

[DBfan187 5,000+ posts]

2 12s, near tuning the port will act as a 3rd sub - if you have enough port area.

 

[mattmcss 10+ year member]

ID12's dual 2 ohm , how big does the box need to be if i decide to port the pair ?

 

[DBfan187 5,000+ posts]

Why not all 3?

*edit - n/m, bb6p recc. 16cF, 21Hz.//content.invisioncic.com/y282845/emoticons/wowflash.gif.89a61f4caede63a11dac36e97d61323e.gif

I'd keep all 3 of them sealed in 3cF.