Here is a playlist. In order, the 63N, 63 neck and bridge, 66N, then 66 neck and bridge. You can hit the forward/back buttons to move through the clips.

 Here are 63N, 66N, then 66S in order. This shows off the power of the S

63n_66n_66S.mp3Artist Name
00:00 / 00:59

Here are the 66neck and bridge pair, compared to the 63N and 66S in the bridge position as a  pair

66_compare2.mp3Artist Name
00:00 / 00:29

And if you add some comression and a notched EQ, you can get something pretty cool like this...

TB_Bass.mp3Artist Name
00:00 / 00:26