Three resonating bandpass filters in series. Functions as either a standalone filter or as a filter based synth. Choice of output from the first, second or third filter in the chain.
Discussion and more info: https://forums.scopeusers.com/viewtopic.php?f=16&t=34236
Download the device and the manual from http://www.oceanswift.net
Great Plug Ins and a cool site.
Glad I checked into this place.
Thanks Brotha’ Man