I read an article where it mentioned it was used for both and compared to the Penn 975.. of course the penn was mentioned as the one perfered.. he is a consultant to penn...
http://neilmackellow.sea-angler.org/qanda.html
just do a find for 7500..
It's basically the 7000 (4.1:1) with a higher gear ratio 7500 (5.3:1)