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crossover points on three way system


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Jeffpaulus 
Member - Posts: 29
Member spacespace
Joined: October 25, 2004
Location: United States
Posted: November 08, 2004 at 6:32 PM / IP Logged  

OK, here is what I have:

Boston - 5 1/4" seperates up front

JL 6w0 - 6 1/2" SUBWOOFERS  (x2)

Diamond Audio 15" Subwoofer  (x1)

No rear fill (that's how I like it)

Here Is my question: Where is the best place to set up the crossover points for this system?

Also, should I use a sealed or ported box for the subwoofers? if so, how do I built the box to be tuned to a specific frequency.

I was figuring to crossover my front speakers at 100hz, my 6 inch subs at 100hz and 50hz, and my 15 inch sub at 50hz...

Any ideas?

Deck -     Eclipse CD8443 - $475
Speakers - Boston BAZ5 - $1000
Amp -      Alpine MRV-T420 - $400
Car -      1988 PLymouth Colt - $450, it's been rolled!
kfr01 
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Joined: April 30, 2003
Posted: November 08, 2004 at 7:26 PM / IP Logged  
50hz is low for any 6" driver. I'd try 80 instead.
New Project: 2003 Pathfinder
heavilymedicate 
Silver - Posts: 328
Silver spacespace
Joined: August 05, 2004
Location: Texas, United States
Posted: November 08, 2004 at 7:29 PM / IP Logged  

What are your crossover slopes?

stevdart 
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Joined: January 24, 2004
Location: Pennsylvania, United States
Posted: November 08, 2004 at 7:33 PM / IP Logged  
Are the 6.5 subs in the front with the 5.25s?  They should be, and if so cross the small ones at 150-250, the rest as kfr01 said, with the 6.5s picking up sub bass at 80 and up to the crossover point.
Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
stevdart 
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Location: Pennsylvania, United States
Posted: November 08, 2004 at 7:35 PM / IP Logged  
List the sub specs...a link would be good (for box type).
Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
DYohn 
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Joined: April 22, 2003
Location: Arizona, United States
Posted: November 09, 2004 at 8:25 AM / IP Logged  
80, 80-120, 120.
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