The Moogerfooger ring mod is based on the 13700, as far as I can tell. -- john At 10:55 AM 3/25/2006, Chris Manders wrote: >I was thinking about using this Dual OTA device as >well. I was intending to use one half as a basis for a >main VCA, and the other half as use in a RingMod >Circuit. > >Would there be any problem doing this do you think? > >Thanks >Chris