There have been several threads about how to set up an SF-2.  Here are a few:
 
http://club.alembicguitars.net/Images/394/17347.html?1112387530
 
http://club.alembicguitars.net/Images/393/13294.html
 
http://club.alembicguitars.net/Images/393/5369.html
 
http://club.alembicguitars.net/Images/393/26422.html?1144370485
 
The frequency range for the filters on the SF-2 is 45Hz to 6kHz.
 
 
(Message edited by davehouck on December 07, 2005)
 
(Message edited by davehouck on April 06, 2006)