Steve, our in-house guitar tech, would be glad to give you a reference for this. I'll copy this post to his forum.
[FONT=Book Antiqua][FONT=Arial][FONT=Tahoma]Neal
GT Channel Host[/FONT][/FONT][/FONT]
http://www.guitartricks.com/channel/
GT Channel Host[/FONT][/FONT][/FONT]
http://www.guitartricks.com/channel/