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Help with box for OLD sub

Old 05-13-2014, 12:49 PM
  #1  
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Join Date: May 2014
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Help with box for OLD sub

Hello everyone, n00b here. I have an old "The Crunch" 12" sub that I want to build a box for and I can't find specs for it anywhere. It's an 8ohm driver. I have had this thing for probably 20 years now. I have a nice RF Punch 60ix and 40i to go with it too I had them in my old car but pulled them out after I got into an accident. They were in my 90 CRX in a sealed isobaric box facing each other. I didn't realize the 2nd one was blown until I tested it the other night. So, now I'm left with the working one. The box was 1 ft³ with both subs if that helps any. I also have an mtx rtx01a crossover to throw in the mix as well. I hooked everything up to a modified ATX 12v power supply in my house and used an Mp3 player as the input and everything works. I bridged the connection to my 60ix and ran it through the xover. It nearly blew my eardrums when I turned on the power supply. Apparently it didn't like the volume level that I listen to my mp3 player through normally So, back to the box. Any suggestions? I like tight, punchy bass. I listen to alot of industrial and rock but I'm open to just about anything. I'm now in an 05 Altima with the Bose system. I just recently found out a way to tap into the system without a LOC so I can get a set of RCA's before the stock amp which will allow me to add the sub in. Any help will be appreciated.

Last edited by cyberphreax; 05-13-2014 at 12:57 PM.
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Old 05-13-2014, 09:41 PM
  #2  
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Isobaric boxes are usually designed to cut the box volume in half with a push-pull movement of the subs so I would assume that the sub would require a max of 2 cubic feet per sub if the original isobaric box was 1 cubic feet for both subs. Ported or sealed which ever was the original box design.

Last edited by KoolGreen; 05-13-2014 at 09:53 PM.
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