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spacegear
01-24-2007, 01:44 AM
i have a 2.0 cu. ft. ported box. it has 12 inches and has 200 rms to it. 400 max.

i wanted to make the perfect port hole. 3 or 4 inches? @ 35 hz.

troy_audi0
01-24-2007, 02:01 AM
Rond Port Calc. http://www.the12volt.com/caraudio/boxcalcs.asp

Slot Port Calc http://www.reaudio.com/speaker_box/LPort_Box_Calc.html

Good luck

troy_audi0
01-24-2007, 02:02 AM
Here is a link to prefab port tubes ParsExpress Ports (http://www.partsexpress.com/webpage.cfm?&Webpage_ID=3&CAT_ID=48&ObjectGroup_ID=143&SO=2&CFID=740225&CFTOKEN=32129893)
Peace Troy