Heavychevy0421 Posted February 7, 2017 Report Share Posted February 7, 2017 So I bought a set of DD 1500 12's today but I'm having issues finding recommendations concerning box size, the website says 1.75-2.75 if I remember correctly. What should I tune the port of the box to? I'm powering them with an audiobahn a1500hct Link to comment Share on other sites More sharing options...
reedal Posted February 7, 2017 Report Share Posted February 7, 2017 What do you listen to? SMD Tool Map https://www.stevemeadedesigns.com/board/topic/193176-smd-tool-map-new-november-2014/ Build log https://www.stevemeadedesigns.com/board/topic/197217-reeds-03-tahoe-hat-sqaq-singer-xs-shca-cockbox-80prs/?page=32 Link to comment Share on other sites More sharing options...
Heavychevy0421 Posted February 7, 2017 Author Report Share Posted February 7, 2017 I listen to pretty much everything honestly. Link to comment Share on other sites More sharing options...
reedal Posted February 7, 2017 Report Share Posted February 7, 2017 If you don't listen to music that has frequencies under 30hz (which is mostly rebassed/slowed) music) then 35 is usually a good tuning point. Just make sure to set your subsonic filter at least one half octave below tuning to avoid possible damage from playing frequencies below tuning SMD Tool Map https://www.stevemeadedesigns.com/board/topic/193176-smd-tool-map-new-november-2014/ Build log https://www.stevemeadedesigns.com/board/topic/197217-reeds-03-tahoe-hat-sqaq-singer-xs-shca-cockbox-80prs/?page=32 Link to comment Share on other sites More sharing options...
Heavychevy0421 Posted February 7, 2017 Author Report Share Posted February 7, 2017 That's one thing I haven't grasped is subsonic tuning. So if I tune my port to say 35. Set my amp cross over to 40-50 keep my subsonic at 30 ish? Link to comment Share on other sites More sharing options...
reedal Posted February 7, 2017 Report Share Posted February 7, 2017 You'd set the low pass to where you don't really want your subs playing any higher. I'd start at 70-80hz, that's where most like their midbass to start and the subs to stop. 40-60 is where most music has bass. 30 would be good for your subsonic. 27 would be a half octave below tuning if tuned to 35. SMD Tool Map https://www.stevemeadedesigns.com/board/topic/193176-smd-tool-map-new-november-2014/ Build log https://www.stevemeadedesigns.com/board/topic/197217-reeds-03-tahoe-hat-sqaq-singer-xs-shca-cockbox-80prs/?page=32 Link to comment Share on other sites More sharing options...
Heavychevy0421 Posted February 7, 2017 Author Report Share Posted February 7, 2017 Awesome. Thanks! Yeah I'm going to start building my box here soon and see where that takes me. Link to comment Share on other sites More sharing options...
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