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Box help for a hatchback for Lvl 2 12s


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Here's the skinny... I have a Nissan Cube and the setup I have is a RF T5001 bd cp and 2 Level 2 12's. I'm already running it in a sealed box but I'm wondering if going ported would be better. I notice that running loud sounds better with the windows up rather than down as in past cars it was the other way around. But also if I go ported how do I figure out how much air space I need, port and the best frequency to tune it at? Also should it be one chamber for both subs?

Pioneer AVH-P4200DVD

Rockford Fosgate T5001 bd-cp

2 DC level 2 12's

Focal Access Components in the front

Focal Access Coax in the rear doors

Rockford Fosgate Punch Boosted Rail 4 channel rms 4x75

XS Power D3400 under the hood

Knuconceptz Ultra Fleks Power & Ground

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Common chamber is better. Tune from 30-35 hertz. What are your MAX dimentions?

2003 Dodge Ram 1500 SLT (Yea its got a Hemi)Alpine CDA-105KnuKonceptz 0ga CCA

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15" SoundQubed HDC3DC Audio 1.2K (Bass)Pioneer 6x9's (Front)Pioneer 6.5's (Rear)Kicker 3.5's (Dash)Sony amp on the highs. (Hey it was free)

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I believe 28 wide by 14 deep by however tall.

Pioneer AVH-P4200DVD

Rockford Fosgate T5001 bd-cp

2 DC level 2 12's

Focal Access Components in the front

Focal Access Coax in the rear doors

Rockford Fosgate Punch Boosted Rail 4 channel rms 4x75

XS Power D3400 under the hood

Knuconceptz Ultra Fleks Power & Ground

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My intentions were to keep it mild but it's funny how two tens turned into two twelves. We bought the car because it was a good deal and originally were going to leave it aone but i guess once a bass head always a bass head. also, how do you determine a good frequency to tune at? And is the recommended air space on dc's website a good size to go with? (1.5 per sub)

Edited by onyx1silverado

Pioneer AVH-P4200DVD

Rockford Fosgate T5001 bd-cp

2 DC level 2 12's

Focal Access Components in the front

Focal Access Coax in the rear doors

Rockford Fosgate Punch Boosted Rail 4 channel rms 4x75

XS Power D3400 under the hood

Knuconceptz Ultra Fleks Power & Ground

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I listen to everything really. rap, rock, and country.

Pioneer AVH-P4200DVD

Rockford Fosgate T5001 bd-cp

2 DC level 2 12's

Focal Access Components in the front

Focal Access Coax in the rear doors

Rockford Fosgate Punch Boosted Rail 4 channel rms 4x75

XS Power D3400 under the hood

Knuconceptz Ultra Fleks Power & Ground

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