What are the duncan designed JB-101 modelled after?

[GuitarStv]

I really like the sound of these pickups. I was just wondering what would sound similar, maybe with slightly more low end . . .

 

[dotsdad]

Re: What are the duncan designed JB-101 modelled after?

http://www.seymourduncan.com/products/bass-pickups/pickups-for-jaz/4string/sjb1_vintage_fo/