isobaric or not
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=18499
Printed Date: July 19, 2025 at 9:18 PM
Topic: isobaric or not
Posted By: Ketel22
Subject: isobaric or not
Date Posted: September 04, 2003 at 8:34 PM
can anybody vouch for the effectiveness or the usefull ness of isobaric set or vs just 4 just in seperate boxes? by the way i will have infinity kappa perfect 12.1d ------------- Quad L Handyman services
Replies:
Posted By: auex
Date Posted: September 04, 2003 at 9:00 PM
Personally I wouldn't use an isobaric enclosure. Sure they require less space but they also use twice as much power to achieve the same amount of sound. If you didn't see the page on sealed sub enclosures then here is the link------------- Certified Security Specialist
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Posted By: MAXST
Date Posted: September 04, 2003 at 9:03 PM
also they are very complicated and arent the best set up.
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Posted By: Ketel22
Date Posted: September 04, 2003 at 9:08 PM
what is the best recommened setup using 4 subs? ------------- Quad L Handyman services
Posted By: MAXST
Date Posted: September 04, 2003 at 9:13 PM
Sealed.. i would have two subs on one side of the trunk.. and the other two on the other side..in like a V. placing amp(s) in the center between the subs. ------------- I need quality equipment, feel free to donate.
Posted By: auex
Date Posted: September 04, 2003 at 9:38 PM
What is the vehicle?
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Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.
I've been sick lately, sorry I won't be on much.
Posted By: Ketel22
Date Posted: September 04, 2003 at 10:39 PM
i would put them in a v except this is my mothers 2002 altima everyday car
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Quad L Handyman services
Posted By: DYohn
Date Posted: September 05, 2003 at 7:24 AM
You're going to put 4 Perfect 12's in your mother's car? You better ask her first if she ever intends to put groceries in the trunk. Seriously, and I'm not trying to slam you, but wait until you get your own car. Then you can do whatever you can afford...
Posted By: Ketel22
Date Posted: September 05, 2003 at 1:17 PM
ialready have my own caar but im using the subs in hers cuz she offered to buy them
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Quad L Handyman services
Posted By: DYohn
Date Posted: September 05, 2003 at 1:45 PM
Unless you really like the sound of an isobaric enclosure, don't do it. Use a standard sealed enclosure and it will sound better and allow the Perfect's to oeprate closer to their peak efficiency. An isobaric enclosure will allow you to build a smaller enclosure, but you will lose 9 db of spl over what two 12's in sealed anclosures will give you. Plus, isobaric enclosures are harder to build and get them "right." I'd build sealed enclosures.
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