need some quick easy help

[Juice0723 10+ year member]

how much port area would I need for two 12's. DC Level 5 soft parts on the sub. Thanks.

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[RAM_Designs 5,000+ posts]

somewhere in the 50-75in^2 range.

 

[Juice0723 10+ year member]

I'm running 4-4600k rms.

I was recommended to have 1.5-2.25cuft each tuned to whatever I want. I was thinking 32hz.

I was also thinking of putting it right in the middle at 3.75cuft for both. I'm not to sure.

It seems hard to get a port big enough and be tuned to 32hz.

 

[RAM_Designs 5,000+ posts]

Just have to make it longer, no other way around it. Shoot for 4ft^3 and it'll make it a little easier on you. Tuning low takes longer ports, and 30"+ isn't uncommon.

 

[Juice0723 10+ year member]

yea I will try and make it bigger then. My max cuft I could fit is 5.39cuft. 15"x36"x21.5".

I want that 21.5" depth shorter tho because I want subs up port back in my dodge caliber. And there is probably going to be not enough room in front of the port. But then the port length comes into play lol.

 

[Juice0723 10+ year member]

should this work? gonna do subs up port back.

 

[Juice0723 10+ year member]

ok this might be my final design. I used re calc to get the port length and used the other calc to give me my final specs including displacement.

 

[knils 10+ year member]

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[Juice0723 10+ year member]

Does that box I designed need to have bracing or is it good enough how it is?

Going to be running 4-4600watts rms on the two 12's.

And is the tuning alright at 32hz? I want it to be a loud ground pounder.

 

[knils 10+ year member]

Man I can't imagine 4k not making you shit your pants unless you do something terribly wrong...

 

[Juice0723 10+ year member]

LOL. I know right. I just want it loud as fck and pwn every person at the stereo comp up here. Everyone thinks mainstream brands are the best except one of my friends.