RyanM923's Dual Reflex 6th Order BP build...whew.

[squeak12 10+ year member]

Id just give up on it and go back to ported. Sure you might get it right eventually, but unless you are planning on competing big time, its not worth the time IMO. Believe me I tried it, and this is how the box ended up...

 

[JG903 10+ year member]

Whenever I used WinISD and modeled it out, I got that a simple ported box would peak higher.

The white graph is ported box: 10 cu. ft. tuned to 52

The colored line is the bandpass box.

 

[RAM_Designs 5,000+ posts]

Id just give up on it and go back to ported. Sure you might get it right eventually, but unless you are planning on competing big time, its not worth the time IMO. Believe me I tried it, and this is how the box ended up...

Yeah, I'm going to try cutting the port for the rear chamber down, and if that doesn't work I'll just go back to ported...

Whenever I used WinISD and modeled it out, I got that a simple ported box would peak higher.

Hm, I was using normal winISD, the beta version, and I was able to get a huge peak doing the bandpass design...I'll probably just go back to ported and use the 6 4" aeroports I just ordered.