University sound driver help


I have a pair of University loadspeaker drivers..labeled 25w/16ohm..model PAH..Rather larger (approx 5" thick) with 1" throats..I would like some info on them,any help or direction where to look..thanks
missioncoonery
These people could probably answer your questions: (http://www.triggerhappytv.com/TV_plasma_HDTV_LCD/Vintage-Electronics/Drivers-Horns.shtml)