doug118 Posted March 9, 2012 Report Share Posted March 9, 2012 I can't find any solid advice for figuring out a 4th order so I've just taken bits of information from all the threads I've read and came up with this. Box is for 2 sundown sa-12's. This is just for the ported portion. Sealed is 2.05 cubes Let me know if this will work or if I screwed anything up. I'd like a fairly flat response from around 25-55hz. If I shrink the port height down to 10" and length to 11", it gives me 15.13" port area per cube and tuned to 48hz. Would that be better? Thanks guys 2001 Tahoe. Huge front stage and 55+ substage http://www.stevemeadedesigns.com/board/topic/196418-another-tahoe-build-huge-front-stage-and-155-substage/ Link to comment Share on other sites More sharing options...
420c Posted March 10, 2012 Report Share Posted March 10, 2012 have you tried messaging sundownz or team nemisis guys for any tips Link to comment Share on other sites More sharing options...
420c Posted March 10, 2012 Report Share Posted March 10, 2012 try messaging sundownz or team nemisis guys Link to comment Share on other sites More sharing options...
D-train-13k Posted March 10, 2012 Report Share Posted March 10, 2012 id bring your sealed side down a little bit. like 1.75 -1.85 area which will require your ported side to be brought down a little as well if you wanna keep the 2:1 other than that it looks good. The IrishmanCheck out my build hereXL 4th order wall build logIn Progress:alpine cda HU4th order Bandpass2xl 15's1- ab 400.1 (gonna be two hopefully)4- Crescendo 8's2- xts crecendo supertweeters 2 sq super tweetsMb quart 4.125Mechman 270a alt1- xs D27003- xs XP3000 4- odessey pc1700seller feed back threadhttp://www.stevemeadedesigns.com/board/topic/136418-d-train-13k/ Link to comment Share on other sites More sharing options...
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