Thats great for no batteries! You gon be in the game with the batts as well. What alt did you get again? Have you noticed a difference in overall loudness
I'm just curious if I design a box for them 2 12s would u build it and try it? Beleive it or not I'm really good at what I do and from experience I can say this much your using 2 12s with about a 12" sono tube with means its not peaking its full potential its really good though I just feel its too big for your speakers to be using the full potential of their coils! I have some software I can punch all the info into of them into and get everything I need to know but if you're willing to let me help u out a bit because them big boys should be liking kiking allot harder I'm not dissing. Your design its really well designed just too big of a port for 2 12s it would been more efficient with 4
But I love your work so far man you got good work going for ya I just wanna help you out a bit I'm an experienced box builder with over 10 years of experience and I can. Tell you with 100% honesty its probably tuned really low the response of the box it self isn't the best it needs 2 more I know this because I have design similar boxes they slump bro on god but they lack at the same time
I'd say if the fs of them woofers was around 40 Hz each it would slump more but they're 20 Hz I believe witch in theory their loosing about 30-r0% if their effiecency a 10" or 8" port would make them slump just that much more don't see this as negative input because I'm not trying to give that impression I'm trying to tell you I like your work and I wanna help u improve with experience from one bass head to another
Okay my calculations are box width 35" box height 15" box depth 25" port width 5" port height 14" port length 20" (slot port design) its 4.5 cubes tuned around 39-40 Hz cut sheets are top/bottom 25"×35" sides 23"×13" back 35"×13" front 30"×13" port board 20"×13" with 45 degree port end bored I'd cut it 12s"×7" removing 1.5" when doing. The 45 degree angle cuts (helps to move air)
