The Motor synth is absolutely awesome, and sounds fantastic!
Basically a tonewheel subtractive synth. In many ways that makes more sense as it's far less mechanically complex than an additive synth. Kind of surprised there weren't examples of this from the late 60s when exploring synthesis techniques.
"All's fair in love, war, and the recording studio."
MacBook Pro running MainStage and various plugins (NI and other) Arturia Keylab88, Mojo61, Seaboard Rise49, Vortex Keytar (RIP), Trumpet