>The difference is pretty subtle - more "buzzy-ness" on the saw, >etc... which I assume is a difference in harmonic content. For >reference, I have a 3340VCO and a trio of EFM VCO4D (which was a >Moog Sonic Six clone, IIRC) fwiw i have demo wavs of the MOTM-300 and Oakley VCO, though both through the Oakley Superladder filter. http://www.redfish.net/oscillators/