bbeljefe Posted December 6, 2013 Report Share Posted December 6, 2013 Well then the answer, again, is a transmission line. Most 12s have the same Sd and most 12s with the same power rating have similar Fs. Sd is the only one of those measurements that is critical with a line and 100% of Sd can never be too little port area... in a line. Facebook: facebook.com/audioanarchyllc Instagram: audioanarchyllc Youtube: youtube.com/bbeljefe Link to comment Share on other sites More sharing options...
B-Large Posted December 7, 2013 Report Share Posted December 7, 2013 FWIW.. I have a dual opposed home sub woofer (epik empire) and absolutley love it. I actually wanted to ask on here if an opposed design would be good for car audio but was afraid of being shamed lol. I am also very interested in building a t-line, bet you cant go wrong either way. Link to comment Share on other sites More sharing options...
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