Type of box for Vega’s?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=67351
Printed Date: April 28, 2024 at 4:10 PM

Topic: Type of box for Vega’s?

Posted By: dzelaya18
Subject: Type of box for Vega’s?
Date Posted: November 30, 2005 at 7:43 PM

Hey everyone. Right now I have two 12" Cerwin Vega V-Max subs in a sealed enclosure being fed by a Audiobahn A2801T at 4 ohms, 400 and something watts rms. Does anyone have any expierience with these subs? Should they stay in the sealed box, or would they pound harder in a ported or vented enclosure? Sound quality is ok, but I'm curious if on how to pound harder without getting huge amps and tons of subs. I've heard 300 watts and two tens make teeth rattle in the right enclosure and setup, and I'd like to know how to do that in my own car. '00 Civic sedan. Any ideas guys?

Replies:

Posted By: youngone
Date Posted: November 30, 2005 at 10:14 PM

it seems that you are looking for some crazy bass. i have a solution, you should build a nice ported/vented box for those things. they should pound hard especially two of them. you need to build them to specs and have them in separate boxes or integrate them into one.

tecnicly a sealed box will have a better sound quality characteristic. BUT a properly built ported/vented box can have the same quality and have a lot more quantity at the same time.

if you want loud go with a ported/vented box. and I'm sure that the guys on here have some good ideas that already have use the subs and have the design right there for you.

and the box you put your subs in is the decider of the way they will perform and sound. hope this helps

Aaron posted_image

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Posted By: stevdart
Date Posted: November 30, 2005 at 10:55 PM

You have the 2 ohm subs, wired in series for a net 4 ohms, right? These subs should work and sound best in the small sealed enclosure (for two, 2 ft^3 net airspace stuffed with fiberfill). Not knowing your setup other than what you described here, you can look for improvement in these areas:

box built rigid with bracing, at size ^ and specs ^.
box secured with bolts to the car chassis
ample and plentiful sound damping in the car, particularly in the sub area
good quality mids, 6" or larger, up front to carry the transition of bass to the front soundstage. crossed-over at about 80 Hz with the subwoofer, this "pulls" the feel of the sub bass to the front. door locations are good, but with lots of damping.
experiment with different placement and/or direction of the sub box
ensure both subs are firing simutaneously and in the same direction
change the amplifier. try using a mono subwoofer amp that will supply 800 to 1200 watts at 1 ohm. wire the subs in parallel for this setup. you don't need the excess heat and waste of power using a two-channel amp to drive these subs. and I believe the power is insufficient with what you have to drive these to the level you are looking for.

I use a CW sub, not the vmax though (the lower-line HED model), in my car. Small sealed box, stuffed. I like it.

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

Posted By: dzelaya18
Date Posted: November 30, 2005 at 11:53 PM

They are actually the 4 ohm subs. Each sub has its own channel at 200w, so 400 all together.