Chapman Stentorian pickups

So far loving my Norseman guitars. I promised myself I would not make any mods for a minimum of 30 days after I got these. So I am forcing myself to give it a good go as stock, couple rehearsals etc. Surprisingly I am impressed with the stock Stentorian pickups. I have googled and couldn't find much info. Sounds very seymourish to me, probably Duncan designed? Moderate output PAF style pups along the lines of Duncan custom in the bridge and pearly gates in the neck. Sound good at lower practise volumes but won't know for sure till I hear the guitar cranked. Anyone else have any info on these?