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  #1  
Old 06-22-2015, 04:17 AM
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Default Tuning help

Okay I have 4 12's in a ported box. The box has two slot ports that are each 3" height, 25" long and 14 inches deep. I can only play 40hz all the way up to 60hz.... I want lows. 57hz is the loudest. I really want my tuning to be 32hz. Can someone please tell me how I could lower the tuning for them. Subs are 4 CT sound tropo version 2 12's. Box is about 11 cubes.*
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Old 06-22-2015, 04:46 AM
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do you have a pic of the box handy? also, is this a common chamber or is it split? knowing these things will help a lot.
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Old 06-22-2015, 04:55 AM
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Pic of the enclosure...inside of the enclosure also if you can...
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Old 06-22-2015, 01:04 PM
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There separate chambers. 2 subs has its own chamber
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Old 06-22-2015, 01:06 PM
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ok, so each chamber is roughly 28hz already. and i mean rough. could be lower with displacement, bracing, and what not. best bet is to do a total rebuild.
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Old 06-22-2015, 01:08 PM
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It won't let me upload a pic. Each port is that measurement that I gave. There's two ports for each of 2 subs. Inside the box the ports are almost touching the rear of the boxes wall. I want a tuning of 32 hz. Would I need to take some port away?
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Old 06-22-2015, 01:10 PM
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yeah, 17 inches seems to be the number for length. and im roughing this at 5.5cft a chamber with the 11 gross you gave us as a whole earlier.
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Old 06-22-2015, 04:36 PM
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So it can't be fixed ?
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