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Nord Lead 3. Don't (yet) have one. Trying to find out if the filter can self-oscillate, since I know it can't in some other Nord Leads.
The manual states this:
"If you are using the HP, LP, CLASSIC or DIST LP filter types, increasing the Resonance will emphasise frequencies around the set Filter Frequency (cutoff frequency), making the sound thinner. Further raising the Resonance will make the sound resonant to a point where the filter adds a ringing quality to the sound."
That sounds to me like self-oscillation, but is it?
If you mean can the filter alone be the sole oscillator in a sound, to my knowledge and experience: no.
If you mean: can the excited self-resonance of the filter add its own oscillation to a sound which has at least some of one or more of the main oscillators also in it (depending on the osc config): yes.
