Tony Allgood wrote: > And secondly, has anyone found a need for taking a differential tap off the > ladder at another point other than below the top pair to create reduced > steepness of slope? look at Kris Ulfes site http://www.ing.umu.se/~me96kus/stuff/moogvcf.GIF moog ladder filter with 6/12/18/24 db and VC resonance marjan