Bandpass enclosure specs for some older RF subs

[TRoot78]

I have a couple Rockford Fosgate RFP-1212 D4 subs that I would like to build a 4th order bandpass enclosure for.  Anyone happen to have those specs for these subs?

[EricM9104]

Highlight in your post "Rockford Fosgate RFP-1212 D4 ", click the option to "Search Google", and it'll be the first link..

 

 

https://rockfordfosgate.com/rftech/library/1997/5_subwoofers/rfp-1212-ts.pdf