Size of port....

[spacegear 10+ year member]

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.

Click to read more...

 

[troy_audi0 10+ year member]

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 10+ year member]

Here is a link to prefab port tubes ParsExpress Ports

Peace Troy