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lansing prince
05-06-2009, 03:57 PM
hi guys! the project is 2 LE15A in a 12 cubic foot cabinet,anyone would have the duct dimensions for a bass reflex 32hz tunning??:blink:
thanks!!
Loren42
05-06-2009, 06:08 PM
hi guys! the project is 2 LE15A in a 12 cubic foot cabinet,anyone would have the duct dimensions for a bass reflex 32hz tunning??:blink:
thanks!!

Two 6" round vents 5.764" long result in a 32Hz tuning. You could use two 4" diameter vents about an inch long, but the port velocity jumps to 27 m/s, which is too noisy.

http://www.mdbq.net/DataDualLE15A.jpg

http://www.mdbq.net/PlotsDualLE15A.jpg