$$$ for box plans

hdc3 10s arent T line friendly CSCstang tried one and its a bust. Ported did a lot better in every way possible SQ and SPL. You might want to try 6th order with HDC3s and HDC4s instead.
How about dual reflex? I wanted to try a tline because I read that proper tlines offer great sq and I don't want to go sealed because I want as much ouTout as I can get with it sounding clean. Do they do well in 6th orders?

 
How about dual reflex? I wanted to try a tline because I read that proper tlines offer great sq and I don't want to go sealed because I want as much ouTout as I can get with it sounding clean. Do they do well in 6th orders?
For this particular sub, you can do an SQ oriented 6th order or an Aperiodic Bi Chamber aka ABC box but those are quite advanced. An SQ oriented ported can work as well man. Just need some EQ action going on so you can control some peaks you might run into.

 
For this particular sub, you can do an SQ oriented 6th order or an Aperiodic Bi Chamber aka ABC box but those are quite advanced. An SQ oriented ported can work as well man. Just need some EQ action going on so you can control some peaks you might run into.
How might I do a sq ported? I've heard of tuning like 25> can yield a nice flat response but be pretty quiet. I have 2 of them but not sure what my choices are.. For space reasons I considered doing an external square port but I hear they're not easy to make

 
Also I have no access to an rta. Only shop within my area isn't anything special

 

---------- Post added at 08:36 PM ---------- Previous post was at 08:35 PM ----------

 

2 of them referring to the hdc3s

 
How might I do a sq ported? I've heard of tuning like 25> can yield a nice flat response but be pretty quiet. I have 2 of them but not sure what my choices are.. For space reasons I considered doing an external square port but I hear they're not easy to make
just medium airspace medium port area and 32-34hz tuning should suffice for now. 3 cubes net 14 port per cube for the two.

 
just medium airspace medium port area and 32-34hz tuning should suffice for now. 3 cubes net 14 port per cube for the two.
Is that vented? Or aero? I'm going to try building a new one within the next week or so. Could I still do 14/cube if I make two separate chambers @ 1.5 net?

 

---------- Post added at 01:13 AM ---------- Previous post was at 01:12 AM ----------

 

I've never used aero ports before so I'm not sure if that matters.

 
Is that vented? Or aero? I'm going to try building a new one within the next week or so. Could I still do 14/cube if I make two separate chambers @ 1.5 net? 

---------- Post added at 01:13 AM ---------- Previous post was at 01:12 AM ----------

 

I've never used aero ports before so I'm not sure if that matters.
thats normal slot/vented

 
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