H hlb5625 10+ year member Junior Member 19 0 Houma, LA Apr 15, 2008 #1 can someone please give me designs for a ported box for 2 12" alpine type r / but it has to be fairly simple but effective because i will build it. Click to read more...
can someone please give me designs for a ported box for 2 12" alpine type r / but it has to be fairly simple but effective because i will build it. Click to read more...
dman4486 5,000+ posts RememberedHowToChangethis 9,675 0 Fountain Inn, SC Apr 15, 2008 #2 2.5ft^3 tuned at 36hz 2 flare tube(aero) vents 4" in diameter 16.73" total vent length