makko Posted January 24, 2012 Report Share Posted January 24, 2012 hey advance best regards from Germany. I have 2 rockford P3 15 inch in a 160 liter enclosure. But I'm not cope with the port calculation. What ports would you recommend me? Both woofers are separated so in a 80 liter enclosure.I hear mostly songs with deep bass. Please need help. many greetings from Thuringia, Germany Link to comment Share on other sites More sharing options...
D-train-13k Posted January 24, 2012 Report Share Posted January 24, 2012 i would do about 17 sq in per cubic foot. im too lazy to look up the conversions. but if you want low groundpounding bass. the more port will help slam the low end. id tune to about 30-33hz but with that much port i wouldnt expect huge numbers. but the bass will get low and be strong and clean sounding. i dont compete so i always make it on the groundpounder stage. good luck 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...
makko Posted January 24, 2012 Author Report Share Posted January 24, 2012 thanks a lot I have with my old rockford box with 2 10 inch p2, when pressed 138.7 db drag. I would now like to go to 150, is that possible? Link to comment Share on other sites More sharing options...
fmedina Posted January 24, 2012 Report Share Posted January 24, 2012 150 will take some work. going to have to upgrade equipment. electrical. etc etc. if you need some help on an enclosure send me a pm and i can see what i can do for ya bro. glad to see people all around the world joining the forum Link to comment Share on other sites More sharing options...
D-train-13k Posted January 24, 2012 Report Share Posted January 24, 2012 doing a 150 on that power with those subs isnt going to be a musical box. that will be an all out burp box. at least from my knowledge. im sure more expereinced people who specialize in pulling huge numbers can give you a more defined answer 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...
makko Posted January 24, 2012 Author Report Share Posted January 24, 2012 fmedina, have you read my post? greets Link to comment Share on other sites More sharing options...
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