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jeffchilcott 
Platinum - Posts: 2,483
Platinum spacespace
Joined: April 11, 2002
Location: United States
Posted: June 20, 2007 at 8:11 PM / IP Logged  
most are now using a bandpass design, but there are still some using a standard wall.
You have huge admarations, but I think you need to step back and calm down a bit.   The guys that are in the high 160's have spent many years and time designing setups, as well as 10,20, or 30,000 or more into their vehicle.
The ones in the 170's are far beyond that.
I know I personally put close to $10,000 into my last year of competing to reach to 160db barrier, and im sure ZacDavis spent close to the same.   
One step at a time, dont expect to go out and break 170, or even 160 db. rarly does anything work 100% right the FIRST time
2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
2006 USACI Finals 2nd Place
will_22_82 
Copper - Posts: 89
Copper spacespace
Joined: October 07, 2006
Location: United States
Posted: June 20, 2007 at 9:02 PM / IP Logged  
I know that. Its just the wall design thats slowing us I wouldn't want to use a conventional wall and throw a 160 when I could use a different design and throw a 170. Now knowing its a 4th or 5th order that will help.Is their any other knowledge you can share?
will_22_82 
Copper - Posts: 89
Copper spacespace
Joined: October 07, 2006
Location: United States
Posted: June 20, 2007 at 9:07 PM / IP Logged  

what about 6th and eigth order

and the option of isoberic on any of the orders

still_walkin 
Silver - Posts: 644
Silver spacespace
Joined: April 18, 2007
Location: California, United States
Posted: June 20, 2007 at 9:19 PM / IP Logged  
Pictures will fotos also are you doing the work yourself
1993 sdv
Alpine 4x6 6x9 5 1/4 swr-10d4
alpine v60
12.5 VGA flip down
Nettop pc w/10" touch screen
78nova
5-re audio 5x7 ,10" sub &
Xtx-500.5
"Take the faceplate off get the jumperpack"
will_22_82 
Copper - Posts: 89
Copper spacespace
Joined: October 07, 2006
Location: United States
Posted: June 20, 2007 at 9:48 PM / IP Logged  
Helping my dealer with it
will_22_82 
Copper - Posts: 89
Copper spacespace
Joined: October 07, 2006
Location: United States
Posted: June 20, 2007 at 9:58 PM / IP Logged  
does anyone know what order most high spl people are using?
zacdavis 
Member - Posts: 30
Member spacespace
Joined: November 14, 2003
Location: United States
Posted: June 20, 2007 at 10:45 PM / IP Logged  
Forget walls, tubes man, play with tubes. :D
will_22_82 
Copper - Posts: 89
Copper spacespace
Joined: October 07, 2006
Location: United States
Posted: June 21, 2007 at 12:30 AM / IP Logged  
Scott Owens already did that. A wall of bass cannons.
will_22_82 
Copper - Posts: 89
Copper spacespace
Joined: October 07, 2006
Location: United States
Posted: June 21, 2007 at 1:02 AM / IP Logged  

If it is a fifth order which is it they are using Fourth Order Enclosure + First Order Crossover or Third Order Enclosure + Second Order Crossover or whats the combination

or would fourth order be better. And which type of fourth order? Is it a Single-Reflex 4th order Bandpass? Does anyone know?        

jeffchilcott 
Platinum - Posts: 2,483
Platinum spacespace
Joined: April 11, 2002
Location: United States
Posted: June 21, 2007 at 6:19 AM / IP Logged  
The easiest way to explain what types of walls are being used is like the following.
A sealed box for each woofer is located inside of a bigger box which has a large port that goes into the cabin area.
Many of the new vehicles you have to crawl inside the box to change woofers and such.
2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
2006 USACI Finals 2nd Place
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