I've recently aquired a few new pickups and just installed the first one which is Bill Lawrence USA L500XL into my Dean ML shadow. After trying it out through a Blackstar HT-40, I found this p-up to be a bit thin sounding, basically not as dynamic as the stock Dean bridge p-up? Strange and unexpected results for sure. I did not buy from billlawrence.com since there does not appear to be any pickups adverstised for sale, so whatever I just got the USA. Has anyone here A-B's the two?