Why is the choke backwards in the Kaneda preamp?

leadbelly

Disabled Account
2002-12-22 2:13 am
Calgary, Alberta
Why does the Kaneda preamp have the common mode choke wired "backwards":

kanedap.gif


Why not as more commonly done:

[IMGDEAD]http://img223.imageshack.us/img223/2848/aaphonopsucorrected0js.jpg[/IMGDEAD]