making a ported box from a sealed

744 Views 4 Replies 3 Participants Last post by JeremyD, Oct 14, 2003

peezytwo3

Discussion Starter · Oct 14, 2003

I have a sealed box, .88 cubic feet, with two audiobahn AW1000Q woofers in them. Is it possible to make this a ported box by putting some pvc pipe or something in it to be the port? I want it tuned around 30-35hz. Can someone help me out?

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91lacdeville

· #2 · Oct 14, 2003

yes it is possible. but a ported box requires more volume than a sealed box. Also the port decreases the volume so once the box becomes ported it will be around .75-.5 cu ft which will be much to small for those subs

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peezytwo3

Discussion Starter · #3 · Oct 14, 2003

^^^
for the subs

FO(HZ) 30.1
Qms 4.1
Qes .38
Qts .34
Vas(litrs)48
Vas(c.f.) 1.7
EBP 65
SPL(1w-1m)dB 86.2
Xmax(mm) linear peak-peak 24
Levc(mH) .85

I thought this would help.

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peezytwo3

Discussion Starter · #4 · Oct 14, 2003

yes it is possible. but a ported box requires more volume than a sealed box. Also the port decreases the volume so once the box becomes ported it will be around .75-.5 cu ft which will be much to small for those subs

so are you saying this is not a good idea?

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JeremyD

· #5 · Oct 14, 2003

Originally posted by peezytwo3@Oct 14 2003, 01:39 PM

yes it is possible. but a ported box requires more volume than a sealed box. Also the port decreases the volume so once the box becomes ported it will be around .75-.5 cu ft which will be much to small for those subs

Click to expand...

so are you saying this is not a good idea?

yep....

You need more airspace....

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