alaskanzx5 Posted May 1, 2014 Report Share Posted May 1, 2014 Size of sub does not determine how well it will play different freq. box design is a huge part n that. Hence why he is saying 2 12s in a box of adequate volume will be better. Not just louder but could be able to play the same songs with more force. t1500bdcp 2 t2d4 15" 1 t600.4 1 t400.2 1 set p1 tweets singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz. Link to comment Share on other sites More sharing options...
timc31610 Posted May 1, 2014 Report Share Posted May 1, 2014 when measuring your port do you measure the longer outside, or the shorter inside lenght for bends You measure down the center of the port. My Build Log 94 Civic http://www.stevemeadedesigns.com/board/topic/188644-94-civic-4-door-build-loq-suggestions-wanted-will-be-super-slow-mo/ Faceebook reluctantly Link to comment Share on other sites More sharing options...
alaskanzx5 Posted May 1, 2014 Report Share Posted May 1, 2014 Don't sacrifice port area. It can create port noise but on the worse side you could end up with a less then optimized sound quality/freq range. t1500bdcp 2 t2d4 15" 1 t600.4 1 t400.2 1 set p1 tweets singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz. Link to comment Share on other sites More sharing options...
KWP123 Posted May 1, 2014 Author Report Share Posted May 1, 2014 I thank EVERYBODY FOR ALL OF THE HELP!!!! This is what I have so far First the tuning calculations: And now my very VERY rough SketchUp (first time ever using the program). I know that I didn't complete the port length... This is getting very intricate, so I want to make sure I am going down the right path first. ALSO for the port length to be 35" I will have to bend up the vertical Back Face AND also bend again to on the Top Face... is this feasible or am I waisting my time with a port that long??? Link to comment Share on other sites More sharing options...
KWP123 Posted May 1, 2014 Author Report Share Posted May 1, 2014 Here is the completed port. after crunching the number I will only be able to pull off 33.5625 (9/16) port length. (Unless somebody tells me it is ok for me to continue my port along the Top Face. So after puting that into the calculator I am now tuned to 34.68Hz. The latest tuning calculations And the finished box based off of the tuning calculator So Is this possible???? or am i still to small? Link to comment Share on other sites More sharing options...
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